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Finding the Fourth Proportional to 608,049.10, 912,073.65 and 384,100.30

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Solution

The fourth proportional to 608,049.10, 912,073.65 and 384,100.30 is: 576,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,049.10 : 912,073.65 = 384,100.30 : x
  2. Step 2: Convert to fraction form
    608,049.10/912,073.65 = 384,100.30/x
  3. Step 3: Cross multiply
    608,049.10x = 912,073.65 × 384,100.30
  4. Step 4: Simplify right side
    608,049.10x = 350,327,762,587.10
  5. Step 5: Solve for x
    x = 350,327,762,587.10/608,049.10
  6. Step 6: Final answer
    x = 576,150.45

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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.