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Finding the Fourth Proportional to 532,473.54, 798,193.50 and 212,532.72

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Solution

The fourth proportional to 532,473.54, 798,193.50 and 212,532.72 is: 318,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,473.54 : 798,193.50 = 212,532.72 : x
  2. Step 2: Convert to fraction form
    532,473.54/798,193.50 = 212,532.72/x
  3. Step 3: Cross multiply
    532,473.54x = 798,193.50 × 212,532.72
  4. Step 4: Simplify right side
    532,473.54x = 169,642,235,641.32
  5. Step 5: Solve for x
    x = 169,642,235,641.32/532,473.54
  6. Step 6: Final answer
    x = 318,592.80

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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.