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Finding the Fourth Proportional to 443,314.73, 611,775.02 and 252,328.13

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Solution

The fourth proportional to 443,314.73, 611,775.02 and 252,328.13 is: 348,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,314.73 : 611,775.02 = 252,328.13 : x
  2. Step 2: Convert to fraction form
    443,314.73/611,775.02 = 252,328.13/x
  3. Step 3: Cross multiply
    443,314.73x = 611,775.02 × 252,328.13
  4. Step 4: Simplify right side
    443,314.73x = 154,368,046,777.31
  5. Step 5: Solve for x
    x = 154,368,046,777.31/443,314.73
  6. Step 6: Final answer
    x = 348,213.21

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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.