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Finding the Fourth Proportional to 632,340.70, 948,424.65 and 189,108.70

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Solution

The fourth proportional to 632,340.70, 948,424.65 and 189,108.70 is: 283,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,340.70 : 948,424.65 = 189,108.70 : x
  2. Step 2: Convert to fraction form
    632,340.70/948,424.65 = 189,108.70/x
  3. Step 3: Cross multiply
    632,340.70x = 948,424.65 × 189,108.70
  4. Step 4: Simplify right side
    632,340.70x = 179,355,352,609.46
  5. Step 5: Solve for x
    x = 179,355,352,609.46/632,340.70
  6. Step 6: Final answer
    x = 283,637.21

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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.