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Finding the Fourth Proportional to 485,035.30, 727,552.95 and 366,937.30

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Solution

The fourth proportional to 485,035.30, 727,552.95 and 366,937.30 is: 550,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,035.30 : 727,552.95 = 366,937.30 : x
  2. Step 2: Convert to fraction form
    485,035.30/727,552.95 = 366,937.30/x
  3. Step 3: Cross multiply
    485,035.30x = 727,552.95 × 366,937.30
  4. Step 4: Simplify right side
    485,035.30x = 266,966,315,080.04
  5. Step 5: Solve for x
    x = 266,966,315,080.04/485,035.30
  6. Step 6: Final answer
    x = 550,405.95

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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.