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Finding the Fourth Proportional to 525,470.46, 788,316.39 and 170,456.76

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Solution

The fourth proportional to 525,470.46, 788,316.39 and 170,456.76 is: 255,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,470.46 : 788,316.39 = 170,456.76 : x
  2. Step 2: Convert to fraction form
    525,470.46/788,316.39 = 170,456.76/x
  3. Step 3: Cross multiply
    525,470.46x = 788,316.39 × 170,456.76
  4. Step 4: Simplify right side
    525,470.46x = 134,373,857,694.30
  5. Step 5: Solve for x
    x = 134,373,857,694.30/525,470.46
  6. Step 6: Final answer
    x = 255,721.05

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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.