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Finding the Fourth Proportional to 486,688.72, 730,033.16 and 183,140.02

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Solution

The fourth proportional to 486,688.72, 730,033.16 and 183,140.02 is: 274,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,688.72 : 730,033.16 = 183,140.02 : x
  2. Step 2: Convert to fraction form
    486,688.72/730,033.16 = 183,140.02/x
  3. Step 3: Cross multiply
    486,688.72x = 730,033.16 × 183,140.02
  4. Step 4: Simplify right side
    486,688.72x = 133,698,287,523.06
  5. Step 5: Solve for x
    x = 133,698,287,523.06/486,688.72
  6. Step 6: Final answer
    x = 274,710.06

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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.