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Finding the Fourth Proportional to 559,047.52, 771,446.56 and 317,335.04

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Solution

The fourth proportional to 559,047.52, 771,446.56 and 317,335.04 is: 437,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,047.52 : 771,446.56 = 317,335.04 : x
  2. Step 2: Convert to fraction form
    559,047.52/771,446.56 = 317,335.04/x
  3. Step 3: Cross multiply
    559,047.52x = 771,446.56 × 317,335.04
  4. Step 4: Simplify right side
    559,047.52x = 244,807,024,975.46
  5. Step 5: Solve for x
    x = 244,807,024,975.46/559,047.52
  6. Step 6: Final answer
    x = 437,900.21

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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.