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Finding the Fourth Proportional to 632,294.56, 872,555.52 and 345,808.36

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Solution

The fourth proportional to 632,294.56, 872,555.52 and 345,808.36 is: 477,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,294.56 : 872,555.52 = 345,808.36 : x
  2. Step 2: Convert to fraction form
    632,294.56/872,555.52 = 345,808.36/x
  3. Step 3: Cross multiply
    632,294.56x = 872,555.52 × 345,808.36
  4. Step 4: Simplify right side
    632,294.56x = 301,736,993,380.15
  5. Step 5: Solve for x
    x = 301,736,993,380.15/632,294.56
  6. Step 6: Final answer
    x = 477,209.54

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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.