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Finding the Fourth Proportional to 357,600.87, 535,902.55 and 268,750.35

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Solution

The fourth proportional to 357,600.87, 535,902.55 and 268,750.35 is: 402,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,600.87 : 535,902.55 = 268,750.35 : x
  2. Step 2: Convert to fraction form
    357,600.87/535,902.55 = 268,750.35/x
  3. Step 3: Cross multiply
    357,600.87x = 535,902.55 × 268,750.35
  4. Step 4: Simplify right side
    357,600.87x = 144,023,997,206.52
  5. Step 5: Solve for x
    x = 144,023,997,206.52/357,600.87
  6. Step 6: Final answer
    x = 402,750.69

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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.