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Finding the Fourth Proportional to 402,704.36, 602,742.18 and 296,060.12

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Solution

The fourth proportional to 402,704.36, 602,742.18 and 296,060.12 is: 443,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,704.36 : 602,742.18 = 296,060.12 : x
  2. Step 2: Convert to fraction form
    402,704.36/602,742.18 = 296,060.12/x
  3. Step 3: Cross multiply
    402,704.36x = 602,742.18 × 296,060.12
  4. Step 4: Simplify right side
    402,704.36x = 178,447,922,139.86
  5. Step 5: Solve for x
    x = 178,447,922,139.86/402,704.36
  6. Step 6: Final answer
    x = 443,123.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.