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Finding the Fourth Proportional to 656,718.96, 984,996.91 and 176,984.30

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Solution

The fourth proportional to 656,718.96, 984,996.91 and 176,984.30 is: 265,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,718.96 : 984,996.91 = 176,984.30 : x
  2. Step 2: Convert to fraction form
    656,718.96/984,996.91 = 176,984.30/x
  3. Step 3: Cross multiply
    656,718.96x = 984,996.91 × 176,984.30
  4. Step 4: Simplify right side
    656,718.96x = 174,328,983,914.76
  5. Step 5: Solve for x
    x = 174,328,983,914.76/656,718.96
  6. Step 6: Final answer
    x = 265,454.47

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Double scale
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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.