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Finding the Fourth Proportional to 571,277.76, 857,036.52 and 171,947.76

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Solution

The fourth proportional to 571,277.76, 857,036.52 and 171,947.76 is: 257,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,277.76 : 857,036.52 = 171,947.76 : x
  2. Step 2: Convert to fraction form
    571,277.76/857,036.52 = 171,947.76/x
  3. Step 3: Cross multiply
    571,277.76x = 857,036.52 × 171,947.76
  4. Step 4: Simplify right side
    571,277.76x = 147,365,509,852.20
  5. Step 5: Solve for x
    x = 147,365,509,852.20/571,277.76
  6. Step 6: Final answer
    x = 257,957.72

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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.