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Finding the Fourth Proportional to 337,411.20, 506,311.20 and 127,070.40

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Solution

The fourth proportional to 337,411.20, 506,311.20 and 127,070.40 is: 190,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,411.20 : 506,311.20 = 127,070.40 : x
  2. Step 2: Convert to fraction form
    337,411.20/506,311.20 = 127,070.40/x
  3. Step 3: Cross multiply
    337,411.20x = 506,311.20 × 127,070.40
  4. Step 4: Simplify right side
    337,411.20x = 64,337,166,708.48
  5. Step 5: Solve for x
    x = 64,337,166,708.48/337,411.20
  6. Step 6: Final answer
    x = 190,678.81

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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.