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Finding the Fourth Proportional to 340,335.04, 510,446.52 and 127,046.92

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Solution

The fourth proportional to 340,335.04, 510,446.52 and 127,046.92 is: 190,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,335.04 : 510,446.52 = 127,046.92 : x
  2. Step 2: Convert to fraction form
    340,335.04/510,446.52 = 127,046.92/x
  3. Step 3: Cross multiply
    340,335.04x = 510,446.52 × 127,046.92
  4. Step 4: Simplify right side
    340,335.04x = 64,850,658,190.72
  5. Step 5: Solve for x
    x = 64,850,658,190.72/340,335.04
  6. Step 6: Final answer
    x = 190,549.46

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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.