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Finding the Fourth Proportional to 461,402.10, 636,614.64 and 270,312.84

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Solution

The fourth proportional to 461,402.10, 636,614.64 and 270,312.84 is: 372,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,402.10 : 636,614.64 = 270,312.84 : x
  2. Step 2: Convert to fraction form
    461,402.10/636,614.64 = 270,312.84/x
  3. Step 3: Cross multiply
    461,402.10x = 636,614.64 × 270,312.84
  4. Step 4: Simplify right side
    461,402.10x = 172,085,111,323.98
  5. Step 5: Solve for x
    x = 172,085,111,323.98/461,402.10
  6. Step 6: Final answer
    x = 372,961.27

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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.