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Finding the Fourth Proportional to 525,439.33, 788,269.77 and 170,425.76

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Solution

The fourth proportional to 525,439.33, 788,269.77 and 170,425.76 is: 255,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,439.33 : 788,269.77 = 170,425.76 : x
  2. Step 2: Convert to fraction form
    525,439.33/788,269.77 = 170,425.76/x
  3. Step 3: Cross multiply
    525,439.33x = 788,269.77 × 170,425.76
  4. Step 4: Simplify right side
    525,439.33x = 134,341,470,695.93
  5. Step 5: Solve for x
    x = 134,341,470,695.93/525,439.33
  6. Step 6: Final answer
    x = 255,674.56

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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.