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Finding the Fourth Proportional to 614,455.22, 847,600.89 and 384,613.53

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Solution

The fourth proportional to 614,455.22, 847,600.89 and 384,613.53 is: 530,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,455.22 : 847,600.89 = 384,613.53 : x
  2. Step 2: Convert to fraction form
    614,455.22/847,600.89 = 384,613.53/x
  3. Step 3: Cross multiply
    614,455.22x = 847,600.89 × 384,613.53
  4. Step 4: Simplify right side
    614,455.22x = 325,998,770,334.04
  5. Step 5: Solve for x
    x = 325,998,770,334.04/614,455.22
  6. Step 6: Final answer
    x = 530,549.28

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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.