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Finding the Fourth Proportional to 461,051.33, 636,253.60 and 257,115.14

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Solution

The fourth proportional to 461,051.33, 636,253.60 and 257,115.14 is: 354,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,051.33 : 636,253.60 = 257,115.14 : x
  2. Step 2: Convert to fraction form
    461,051.33/636,253.60 = 257,115.14/x
  3. Step 3: Cross multiply
    461,051.33x = 636,253.60 × 257,115.14
  4. Step 4: Simplify right side
    461,051.33x = 163,590,430,258.24
  5. Step 5: Solve for x
    x = 163,590,430,258.24/461,051.33
  6. Step 6: Final answer
    x = 354,820.43

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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.