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Finding the Fourth Proportional to 304,685.60, 457,070.93 and 127,151.92

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Solution

The fourth proportional to 304,685.60, 457,070.93 and 127,151.92 is: 190,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,685.60 : 457,070.93 = 127,151.92 : x
  2. Step 2: Convert to fraction form
    304,685.60/457,070.93 = 127,151.92/x
  3. Step 3: Cross multiply
    304,685.60x = 457,070.93 × 127,151.92
  4. Step 4: Simplify right side
    304,685.60x = 58,117,443,404.57
  5. Step 5: Solve for x
    x = 58,117,443,404.57/304,685.60
  6. Step 6: Final answer
    x = 190,745.62

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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.