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Finding the Fourth Proportional to 289,260.76, 399,184.32 and 174,545.32

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Solution

The fourth proportional to 289,260.76, 399,184.32 and 174,545.32 is: 240,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,260.76 : 399,184.32 = 174,545.32 : x
  2. Step 2: Convert to fraction form
    289,260.76/399,184.32 = 174,545.32/x
  3. Step 3: Cross multiply
    289,260.76x = 399,184.32 × 174,545.32
  4. Step 4: Simplify right side
    289,260.76x = 69,675,754,873.38
  5. Step 5: Solve for x
    x = 69,675,754,873.38/289,260.76
  6. Step 6: Final answer
    x = 240,875.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.