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Finding the Fourth Proportional to 704,883.76, 972,713.52 and 382,586.92

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Solution

The fourth proportional to 704,883.76, 972,713.52 and 382,586.92 is: 527,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,883.76 : 972,713.52 = 382,586.92 : x
  2. Step 2: Convert to fraction form
    704,883.76/972,713.52 = 382,586.92/x
  3. Step 3: Cross multiply
    704,883.76x = 972,713.52 × 382,586.92
  4. Step 4: Simplify right side
    704,883.76x = 372,147,469,659.16
  5. Step 5: Solve for x
    x = 372,147,469,659.16/704,883.76
  6. Step 6: Final answer
    x = 527,955.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.