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Finding the Fourth Proportional to 574,904.34, 861,702.54 and 349,768.50

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Solution

The fourth proportional to 574,904.34, 861,702.54 and 349,768.50 is: 524,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,904.34 : 861,702.54 = 349,768.50 : x
  2. Step 2: Convert to fraction form
    574,904.34/861,702.54 = 349,768.50/x
  3. Step 3: Cross multiply
    574,904.34x = 861,702.54 × 349,768.50
  4. Step 4: Simplify right side
    574,904.34x = 301,396,404,861.99
  5. Step 5: Solve for x
    x = 301,396,404,861.99/574,904.34
  6. Step 6: Final answer
    x = 524,254.88

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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.