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Finding the Fourth Proportional to 363,461.68, 545,280.36 and 114,143.68

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Solution

The fourth proportional to 363,461.68, 545,280.36 and 114,143.68 is: 171,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,461.68 : 545,280.36 = 114,143.68 : x
  2. Step 2: Convert to fraction form
    363,461.68/545,280.36 = 114,143.68/x
  3. Step 3: Cross multiply
    363,461.68x = 545,280.36 × 114,143.68
  4. Step 4: Simplify right side
    363,461.68x = 62,240,306,922.12
  5. Step 5: Solve for x
    x = 62,240,306,922.12/363,461.68
  6. Step 6: Final answer
    x = 171,243.11

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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.