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Finding the Fourth Proportional to 292,671.97, 439,001.10 and 134,900.43

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Solution

The fourth proportional to 292,671.97, 439,001.10 and 134,900.43 is: 202,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,671.97 : 439,001.10 = 134,900.43 : x
  2. Step 2: Convert to fraction form
    292,671.97/439,001.10 = 134,900.43/x
  3. Step 3: Cross multiply
    292,671.97x = 439,001.10 × 134,900.43
  4. Step 4: Simplify right side
    292,671.97x = 59,221,435,514.22
  5. Step 5: Solve for x
    x = 59,221,435,514.22/292,671.97
  6. Step 6: Final answer
    x = 202,347.48

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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.