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Finding the Fourth Proportional to 532,374.60, 798,561.90 and 343,417.80

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Solution

The fourth proportional to 532,374.60, 798,561.90 and 343,417.80 is: 515,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,374.60 : 798,561.90 = 343,417.80 : x
  2. Step 2: Convert to fraction form
    532,374.60/798,561.90 = 343,417.80/x
  3. Step 3: Cross multiply
    532,374.60x = 798,561.90 × 343,417.80
  4. Step 4: Simplify right side
    532,374.60x = 274,240,370,861.82
  5. Step 5: Solve for x
    x = 274,240,370,861.82/532,374.60
  6. Step 6: Final answer
    x = 515,126.70

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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.