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Finding the Fourth Proportional to 357,131.10, 532,541.36 and 353,925.66

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Solution

The fourth proportional to 357,131.10, 532,541.36 and 353,925.66 is: 527,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,131.10 : 532,541.36 = 353,925.66 : x
  2. Step 2: Convert to fraction form
    357,131.10/532,541.36 = 353,925.66/x
  3. Step 3: Cross multiply
    357,131.10x = 532,541.36 × 353,925.66
  4. Step 4: Simplify right side
    357,131.10x = 188,480,050,545.67
  5. Step 5: Solve for x
    x = 188,480,050,545.67/357,131.10
  6. Step 6: Final answer
    x = 527,761.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.