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Finding the Fourth Proportional to 496,527.15, 745,098.53 and 260,039.55

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Solution

The fourth proportional to 496,527.15, 745,098.53 and 260,039.55 is: 390,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,527.15 : 745,098.53 = 260,039.55 : x
  2. Step 2: Convert to fraction form
    496,527.15/745,098.53 = 260,039.55/x
  3. Step 3: Cross multiply
    496,527.15x = 745,098.53 × 260,039.55
  4. Step 4: Simplify right side
    496,527.15x = 193,755,085,146.66
  5. Step 5: Solve for x
    x = 193,755,085,146.66/496,527.15
  6. Step 6: Final answer
    x = 390,220.52

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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.