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Finding the Fourth Proportional to 387,484.56, 581,226.03 and 107,001

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Solution

The fourth proportional to 387,484.56, 581,226.03 and 107,001 is: 160,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,484.56 : 581,226.03 = 107,001 : x
  2. Step 2: Convert to fraction form
    387,484.56/581,226.03 = 107,001/x
  3. Step 3: Cross multiply
    387,484.56x = 581,226.03 × 107,001
  4. Step 4: Simplify right side
    387,484.56x = 62,191,766,436.03
  5. Step 5: Solve for x
    x = 62,191,766,436.03/387,484.56
  6. Step 6: Final answer
    x = 160,501.28

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Similar ratio
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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.