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Finding the Fourth Proportional to 572,469.12, 859,026.26 and 527,296.64

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Solution

The fourth proportional to 572,469.12, 859,026.26 and 527,296.64 is: 791,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,469.12 : 859,026.26 = 527,296.64 : x
  2. Step 2: Convert to fraction form
    572,469.12/859,026.26 = 527,296.64/x
  3. Step 3: Cross multiply
    572,469.12x = 859,026.26 × 527,296.64
  4. Step 4: Simplify right side
    572,469.12x = 452,961,657,592.88
  5. Step 5: Solve for x
    x = 452,961,657,592.88/572,469.12
  6. Step 6: Final answer
    x = 791,242.08

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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.