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Finding the Fourth Proportional to 417,581.99, 576,275.95 and 245,468.40

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Solution

The fourth proportional to 417,581.99, 576,275.95 and 245,468.40 is: 338,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,581.99 : 576,275.95 = 245,468.40 : x
  2. Step 2: Convert to fraction form
    417,581.99/576,275.95 = 245,468.40/x
  3. Step 3: Cross multiply
    417,581.99x = 576,275.95 × 245,468.40
  4. Step 4: Simplify right side
    417,581.99x = 141,457,535,404.98
  5. Step 5: Solve for x
    x = 141,457,535,404.98/417,581.99
  6. Step 6: Final answer
    x = 338,753.92

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