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Finding the Fourth Proportional to 614,191.22, 847,585.65 and 356,118.26

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Solution

The fourth proportional to 614,191.22, 847,585.65 and 356,118.26 is: 491,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,191.22 : 847,585.65 = 356,118.26 : x
  2. Step 2: Convert to fraction form
    614,191.22/847,585.65 = 356,118.26/x
  3. Step 3: Cross multiply
    614,191.22x = 847,585.65 × 356,118.26
  4. Step 4: Simplify right side
    614,191.22x = 301,840,726,878.97
  5. Step 5: Solve for x
    x = 301,840,726,878.97/614,191.22
  6. Step 6: Final answer
    x = 491,444.22

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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.