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Finding the Fourth Proportional to 672,524.56, 928,073.05 and 366,613.08

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Solution

The fourth proportional to 672,524.56, 928,073.05 and 366,613.08 is: 505,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,524.56 : 928,073.05 = 366,613.08 : x
  2. Step 2: Convert to fraction form
    672,524.56/928,073.05 = 366,613.08/x
  3. Step 3: Cross multiply
    672,524.56x = 928,073.05 × 366,613.08
  4. Step 4: Simplify right side
    672,524.56x = 340,243,719,325.49
  5. Step 5: Solve for x
    x = 340,243,719,325.49/672,524.56
  6. Step 6: Final answer
    x = 505,920.14

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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.