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Finding the Fourth Proportional to 540,814.61, 746,417.81 and 325,954.92

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Solution

The fourth proportional to 540,814.61, 746,417.81 and 325,954.92 is: 449,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,814.61 : 746,417.81 = 325,954.92 : x
  2. Step 2: Convert to fraction form
    540,814.61/746,417.81 = 325,954.92/x
  3. Step 3: Cross multiply
    540,814.61x = 746,417.81 × 325,954.92
  4. Step 4: Simplify right side
    540,814.61x = 243,298,557,545.13
  5. Step 5: Solve for x
    x = 243,298,557,545.13/540,814.61
  6. Step 6: Final answer
    x = 449,874.23

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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.