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Finding the Fourth Proportional to 538,447.60, 801,693.54 and 530,907.41

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Solution

The fourth proportional to 538,447.60, 801,693.54 and 530,907.41 is: 790,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,447.60 : 801,693.54 = 530,907.41 : x
  2. Step 2: Convert to fraction form
    538,447.60/801,693.54 = 530,907.41/x
  3. Step 3: Cross multiply
    538,447.60x = 801,693.54 × 530,907.41
  4. Step 4: Simplify right side
    538,447.60x = 425,625,040,479.20
  5. Step 5: Solve for x
    x = 425,625,040,479.20/538,447.60
  6. Step 6: Final answer
    x = 790,466.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.