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Finding the Fourth Proportional to 296,060.70, 444,090.51 and 85,698.30

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Solution

The fourth proportional to 296,060.70, 444,090.51 and 85,698.30 is: 128,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,060.70 : 444,090.51 = 85,698.30 : x
  2. Step 2: Convert to fraction form
    296,060.70/444,090.51 = 85,698.30/x
  3. Step 3: Cross multiply
    296,060.70x = 444,090.51 × 85,698.30
  4. Step 4: Simplify right side
    296,060.70x = 38,057,801,753.13
  5. Step 5: Solve for x
    x = 38,057,801,753.13/296,060.70
  6. Step 6: Final answer
    x = 128,547.29

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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.