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Finding the Fourth Proportional to 436,893.30, 655,339.95 and 296,925.30

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Solution

The fourth proportional to 436,893.30, 655,339.95 and 296,925.30 is: 445,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,893.30 : 655,339.95 = 296,925.30 : x
  2. Step 2: Convert to fraction form
    436,893.30/655,339.95 = 296,925.30/x
  3. Step 3: Cross multiply
    436,893.30x = 655,339.95 × 296,925.30
  4. Step 4: Simplify right side
    436,893.30x = 194,587,011,255.74
  5. Step 5: Solve for x
    x = 194,587,011,255.74/436,893.30
  6. Step 6: Final answer
    x = 445,387.95

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1.5x scale

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.