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Finding the Fourth Proportional to 571,947.58, 788,959.73 and 356,713.97

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Solution

The fourth proportional to 571,947.58, 788,959.73 and 356,713.97 is: 492,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,947.58 : 788,959.73 = 356,713.97 : x
  2. Step 2: Convert to fraction form
    571,947.58/788,959.73 = 356,713.97/x
  3. Step 3: Cross multiply
    571,947.58x = 788,959.73 × 356,713.97
  4. Step 4: Simplify right side
    571,947.58x = 281,432,955,674.86
  5. Step 5: Solve for x
    x = 281,432,955,674.86/571,947.58
  6. Step 6: Final answer
    x = 492,060.76

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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.