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Finding the Fourth Proportional to 656,351.40, 984,527.10 and 656,351.40

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Solution

The fourth proportional to 656,351.40, 984,527.10 and 656,351.40 is: 984,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,351.40 : 984,527.10 = 656,351.40 : x
  2. Step 2: Convert to fraction form
    656,351.40/984,527.10 = 656,351.40/x
  3. Step 3: Cross multiply
    656,351.40x = 984,527.10 × 656,351.40
  4. Step 4: Simplify right side
    656,351.40x = 646,195,740,422.94
  5. Step 5: Solve for x
    x = 646,195,740,422.94/656,351.40
  6. Step 6: Final answer
    x = 984,527.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.