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Finding the Fourth Proportional to 351,282.54, 526,925.16 and 85,042.63

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Solution

The fourth proportional to 351,282.54, 526,925.16 and 85,042.63 is: 127,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,282.54 : 526,925.16 = 85,042.63 : x
  2. Step 2: Convert to fraction form
    351,282.54/526,925.16 = 85,042.63/x
  3. Step 3: Cross multiply
    351,282.54x = 526,925.16 × 85,042.63
  4. Step 4: Simplify right side
    351,282.54x = 44,811,101,419.57
  5. Step 5: Solve for x
    x = 44,811,101,419.57/351,282.54
  6. Step 6: Final answer
    x = 127,564.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.