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Finding the Fourth Proportional to 656,349.40, 984,524.10 and 372,914.20

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Solution

The fourth proportional to 656,349.40, 984,524.10 and 372,914.20 is: 559,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,349.40 : 984,524.10 = 372,914.20 : x
  2. Step 2: Convert to fraction form
    656,349.40/984,524.10 = 372,914.20/x
  3. Step 3: Cross multiply
    656,349.40x = 984,524.10 × 372,914.20
  4. Step 4: Simplify right side
    656,349.40x = 367,143,017,132.22
  5. Step 5: Solve for x
    x = 367,143,017,132.22/656,349.40
  6. Step 6: Final answer
    x = 559,371.30

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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.