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Finding the Fourth Proportional to 684,673.57, 944,531.16 and 443,034.19

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Solution

The fourth proportional to 684,673.57, 944,531.16 and 443,034.19 is: 611,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,673.57 : 944,531.16 = 443,034.19 : x
  2. Step 2: Convert to fraction form
    684,673.57/944,531.16 = 443,034.19/x
  3. Step 3: Cross multiply
    684,673.57x = 944,531.16 × 443,034.19
  4. Step 4: Simplify right side
    684,673.57x = 418,459,597,400.36
  5. Step 5: Solve for x
    x = 418,459,597,400.36/684,673.57
  6. Step 6: Final answer
    x = 611,181.18

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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.