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Finding the Fourth Proportional to 262,500.86, 393,497.76 and 84,887.30

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Solution

The fourth proportional to 262,500.86, 393,497.76 and 84,887.30 is: 127,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,500.86 : 393,497.76 = 84,887.30 : x
  2. Step 2: Convert to fraction form
    262,500.86/393,497.76 = 84,887.30/x
  3. Step 3: Cross multiply
    262,500.86x = 393,497.76 × 84,887.30
  4. Step 4: Simplify right side
    262,500.86x = 33,402,962,402.45
  5. Step 5: Solve for x
    x = 33,402,962,402.45/262,500.86
  6. Step 6: Final answer
    x = 127,248.96

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1.5x scale

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.