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Finding the Fourth Proportional to 526,787.43, 790,100.95 and 171,800.88

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Solution

The fourth proportional to 526,787.43, 790,100.95 and 171,800.88 is: 257,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,787.43 : 790,100.95 = 171,800.88 : x
  2. Step 2: Convert to fraction form
    526,787.43/790,100.95 = 171,800.88/x
  3. Step 3: Cross multiply
    526,787.43x = 790,100.95 × 171,800.88
  4. Step 4: Simplify right side
    526,787.43x = 135,740,038,498.84
  5. Step 5: Solve for x
    x = 135,740,038,498.84/526,787.43
  6. Step 6: Final answer
    x = 257,675.17

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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.