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Finding the Fourth Proportional to 574,437.60, 861,310.80 and 294,501.60

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Solution

The fourth proportional to 574,437.60, 861,310.80 and 294,501.60 is: 441,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,437.60 : 861,310.80 = 294,501.60 : x
  2. Step 2: Convert to fraction form
    574,437.60/861,310.80 = 294,501.60/x
  3. Step 3: Cross multiply
    574,437.60x = 861,310.80 × 294,501.60
  4. Step 4: Simplify right side
    574,437.60x = 253,657,408,697.28
  5. Step 5: Solve for x
    x = 253,657,408,697.28/574,437.60
  6. Step 6: Final answer
    x = 441,575.22

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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.