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Finding the Fourth Proportional to 615,902.63, 843,772.49 and 592,875.90

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Solution

The fourth proportional to 615,902.63, 843,772.49 and 592,875.90 is: 812,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,902.63 : 843,772.49 = 592,875.90 : x
  2. Step 2: Convert to fraction form
    615,902.63/843,772.49 = 592,875.90/x
  3. Step 3: Cross multiply
    615,902.63x = 843,772.49 × 592,875.90
  4. Step 4: Simplify right side
    615,902.63x = 500,252,371,439.61
  5. Step 5: Solve for x
    x = 500,252,371,439.61/615,902.63
  6. Step 6: Final answer
    x = 812,226.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.