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Finding the Fourth Proportional to 461,328.60, 636,619.02 and 270,469.10

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Solution

The fourth proportional to 461,328.60, 636,619.02 and 270,469.10 is: 373,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,328.60 : 636,619.02 = 270,469.10 : x
  2. Step 2: Convert to fraction form
    461,328.60/636,619.02 = 270,469.10/x
  3. Step 3: Cross multiply
    461,328.60x = 636,619.02 × 270,469.10
  4. Step 4: Simplify right side
    461,328.60x = 172,185,773,382.28
  5. Step 5: Solve for x
    x = 172,185,773,382.28/461,328.60
  6. Step 6: Final answer
    x = 373,238.89

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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.