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Finding the Fourth Proportional to 335,037.20, 502,644.90 and 145,416.20

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Solution

The fourth proportional to 335,037.20, 502,644.90 and 145,416.20 is: 218,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,037.20 : 502,644.90 = 145,416.20 : x
  2. Step 2: Convert to fraction form
    335,037.20/502,644.90 = 145,416.20/x
  3. Step 3: Cross multiply
    335,037.20x = 502,644.90 × 145,416.20
  4. Step 4: Simplify right side
    335,037.20x = 73,092,711,307.38
  5. Step 5: Solve for x
    x = 73,092,711,307.38/335,037.20
  6. Step 6: Final answer
    x = 218,162.97

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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.