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Finding the Fourth Proportional to 553,500.56, 829,953.88 and 174,350.48

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Solution

The fourth proportional to 553,500.56, 829,953.88 and 174,350.48 is: 261,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,500.56 : 829,953.88 = 174,350.48 : x
  2. Step 2: Convert to fraction form
    553,500.56/829,953.88 = 174,350.48/x
  3. Step 3: Cross multiply
    553,500.56x = 829,953.88 × 174,350.48
  4. Step 4: Simplify right side
    553,500.56x = 144,702,857,355.86
  5. Step 5: Solve for x
    x = 144,702,857,355.86/553,500.56
  6. Step 6: Final answer
    x = 261,432.18

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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.