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Finding the Fourth Proportional to 615,618.11, 922,024.65 and 503,130.17

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Solution

The fourth proportional to 615,618.11, 922,024.65 and 503,130.17 is: 753,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,618.11 : 922,024.65 = 503,130.17 : x
  2. Step 2: Convert to fraction form
    615,618.11/922,024.65 = 503,130.17/x
  3. Step 3: Cross multiply
    615,618.11x = 922,024.65 × 503,130.17
  4. Step 4: Simplify right side
    615,618.11x = 463,898,418,898.69
  5. Step 5: Solve for x
    x = 463,898,418,898.69/615,618.11
  6. Step 6: Final answer
    x = 753,549.01

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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.