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Finding the Fourth Proportional to 415,100.16, 572,841.60 and 236,263.68

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Solution

The fourth proportional to 415,100.16, 572,841.60 and 236,263.68 is: 326,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,100.16 : 572,841.60 = 236,263.68 : x
  2. Step 2: Convert to fraction form
    415,100.16/572,841.60 = 236,263.68/x
  3. Step 3: Cross multiply
    415,100.16x = 572,841.60 × 236,263.68
  4. Step 4: Simplify right side
    415,100.16x = 135,341,664,473.09
  5. Step 5: Solve for x
    x = 135,341,664,473.09/415,100.16
  6. Step 6: Final answer
    x = 326,045.80

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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.