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Finding the Fourth Proportional to 461,282.88, 636,555.84 and 270,423.36

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Solution

The fourth proportional to 461,282.88, 636,555.84 and 270,423.36 is: 373,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,282.88 : 636,555.84 = 270,423.36 : x
  2. Step 2: Convert to fraction form
    461,282.88/636,555.84 = 270,423.36/x
  3. Step 3: Cross multiply
    461,282.88x = 636,555.84 × 270,423.36
  4. Step 4: Simplify right side
    461,282.88x = 172,139,569,080.42
  5. Step 5: Solve for x
    x = 172,139,569,080.42/461,282.88
  6. Step 6: Final answer
    x = 373,175.72

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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.