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Finding the Fourth Proportional to 532,788.93, 735,263.17 and 318,053.67

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Solution

The fourth proportional to 532,788.93, 735,263.17 and 318,053.67 is: 438,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,788.93 : 735,263.17 = 318,053.67 : x
  2. Step 2: Convert to fraction form
    532,788.93/735,263.17 = 318,053.67/x
  3. Step 3: Cross multiply
    532,788.93x = 735,263.17 × 318,053.67
  4. Step 4: Simplify right side
    532,788.93x = 233,853,149,634.33
  5. Step 5: Solve for x
    x = 233,853,149,634.33/532,788.93
  6. Step 6: Final answer
    x = 438,922.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.