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Finding the Fourth Proportional to 423,754.30, 584,947.56 and 253,955.62

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Solution

The fourth proportional to 423,754.30, 584,947.56 and 253,955.62 is: 350,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,754.30 : 584,947.56 = 253,955.62 : x
  2. Step 2: Convert to fraction form
    423,754.30/584,947.56 = 253,955.62/x
  3. Step 3: Cross multiply
    423,754.30x = 584,947.56 × 253,955.62
  4. Step 4: Simplify right side
    423,754.30x = 148,550,720,267.29
  5. Step 5: Solve for x
    x = 148,550,720,267.29/423,754.30
  6. Step 6: Final answer
    x = 350,558.61

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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.