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Finding the Fourth Proportional to 488,073.72, 730,778.94 and 369,386.04

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Solution

The fourth proportional to 488,073.72, 730,778.94 and 369,386.04 is: 553,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,073.72 : 730,778.94 = 369,386.04 : x
  2. Step 2: Convert to fraction form
    488,073.72/730,778.94 = 369,386.04/x
  3. Step 3: Cross multiply
    488,073.72x = 730,778.94 × 369,386.04
  4. Step 4: Simplify right side
    488,073.72x = 269,939,538,762.00
  5. Step 5: Solve for x
    x = 269,939,538,762.00/488,073.72
  6. Step 6: Final answer
    x = 553,071.24

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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.