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Finding the Fourth Proportional to 461,187.60, 636,532.20 and 270,364.56

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Solution

The fourth proportional to 461,187.60, 636,532.20 and 270,364.56 is: 373,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,187.60 : 636,532.20 = 270,364.56 : x
  2. Step 2: Convert to fraction form
    461,187.60/636,532.20 = 270,364.56/x
  3. Step 3: Cross multiply
    461,187.60x = 636,532.20 × 270,364.56
  4. Step 4: Simplify right side
    461,187.60x = 172,095,748,178.83
  5. Step 5: Solve for x
    x = 172,095,748,178.83/461,187.60
  6. Step 6: Final answer
    x = 373,157.80

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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.