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Finding the Fourth Proportional to 525,041.60, 787,687.86 and 170,056.04

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Solution

The fourth proportional to 525,041.60, 787,687.86 and 170,056.04 is: 255,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,041.60 : 787,687.86 = 170,056.04 : x
  2. Step 2: Convert to fraction form
    525,041.60/787,687.86 = 170,056.04/x
  3. Step 3: Cross multiply
    525,041.60x = 787,687.86 × 170,056.04
  4. Step 4: Simplify right side
    525,041.60x = 133,951,078,227.67
  5. Step 5: Solve for x
    x = 133,951,078,227.67/525,041.60
  6. Step 6: Final answer
    x = 255,124.70

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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.