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Finding the Fourth Proportional to 335,098.80, 502,648.20 and 276,001.20

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Solution

The fourth proportional to 335,098.80, 502,648.20 and 276,001.20 is: 414,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,098.80 : 502,648.20 = 276,001.20 : x
  2. Step 2: Convert to fraction form
    335,098.80/502,648.20 = 276,001.20/x
  3. Step 3: Cross multiply
    335,098.80x = 502,648.20 × 276,001.20
  4. Step 4: Simplify right side
    335,098.80x = 138,731,506,377.84
  5. Step 5: Solve for x
    x = 138,731,506,377.84/335,098.80
  6. Step 6: Final answer
    x = 414,001.80

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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.