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Finding the Fourth Proportional to 614,454.72, 847,600.20 and 384,613.03

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Solution

The fourth proportional to 614,454.72, 847,600.20 and 384,613.03 is: 530,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,454.72 : 847,600.20 = 384,613.03 : x
  2. Step 2: Convert to fraction form
    614,454.72/847,600.20 = 384,613.03/x
  3. Step 3: Cross multiply
    614,454.72x = 847,600.20 × 384,613.03
  4. Step 4: Simplify right side
    614,454.72x = 325,998,081,150.61
  5. Step 5: Solve for x
    x = 325,998,081,150.61/614,454.72
  6. Step 6: Final answer
    x = 530,548.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.