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Finding the Fourth Proportional to 620,886.88, 935,479.20 and 560,984.96

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Solution

The fourth proportional to 620,886.88, 935,479.20 and 560,984.96 is: 845,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,886.88 : 935,479.20 = 560,984.96 : x
  2. Step 2: Convert to fraction form
    620,886.88/935,479.20 = 560,984.96/x
  3. Step 3: Cross multiply
    620,886.88x = 935,479.20 × 560,984.96
  4. Step 4: Simplify right side
    620,886.88x = 524,789,761,592.83
  5. Step 5: Solve for x
    x = 524,789,761,592.83/620,886.88
  6. Step 6: Final answer
    x = 845,226.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.