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Finding the Fourth Proportional to 347,644.98, 520,585.38 and 291,337.02

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Solution

The fourth proportional to 347,644.98, 520,585.38 and 291,337.02 is: 436,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,644.98 : 520,585.38 = 291,337.02 : x
  2. Step 2: Convert to fraction form
    347,644.98/520,585.38 = 291,337.02/x
  3. Step 3: Cross multiply
    347,644.98x = 520,585.38 × 291,337.02
  4. Step 4: Simplify right side
    347,644.98x = 151,665,793,264.77
  5. Step 5: Solve for x
    x = 151,665,793,264.77/347,644.98
  6. Step 6: Final answer
    x = 436,266.31

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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.