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Finding the Fourth Proportional to 530,537.70, 795,806.55 and 520,040.10

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Solution

The fourth proportional to 530,537.70, 795,806.55 and 520,040.10 is: 780,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,537.70 : 795,806.55 = 520,040.10 : x
  2. Step 2: Convert to fraction form
    530,537.70/795,806.55 = 520,040.10/x
  3. Step 3: Cross multiply
    530,537.70x = 795,806.55 × 520,040.10
  4. Step 4: Simplify right side
    530,537.70x = 413,851,317,842.66
  5. Step 5: Solve for x
    x = 413,851,317,842.66/530,537.70
  6. Step 6: Final answer
    x = 780,060.15

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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.