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Finding the Fourth Proportional to 618,572.52, 927,714.06 and 348,817.14

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Solution

The fourth proportional to 618,572.52, 927,714.06 and 348,817.14 is: 523,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,572.52 : 927,714.06 = 348,817.14 : x
  2. Step 2: Convert to fraction form
    618,572.52/927,714.06 = 348,817.14/x
  3. Step 3: Cross multiply
    618,572.52x = 927,714.06 × 348,817.14
  4. Step 4: Simplify right side
    618,572.52x = 323,602,565,146.99
  5. Step 5: Solve for x
    x = 323,602,565,146.99/618,572.52
  6. Step 6: Final answer
    x = 523,144.10

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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.