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Finding the Fourth Proportional to 316,777.27, 437,152.65 and 189,452.89

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Solution

The fourth proportional to 316,777.27, 437,152.65 and 189,452.89 is: 261,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,777.27 : 437,152.65 = 189,452.89 : x
  2. Step 2: Convert to fraction form
    316,777.27/437,152.65 = 189,452.89/x
  3. Step 3: Cross multiply
    316,777.27x = 437,152.65 × 189,452.89
  4. Step 4: Simplify right side
    316,777.27x = 82,819,832,913.66
  5. Step 5: Solve for x
    x = 82,819,832,913.66/316,777.27
  6. Step 6: Final answer
    x = 261,445.00

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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.