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Finding the Fourth Proportional to 412,969.35, 619,452.56 and 232,973.13

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Solution

The fourth proportional to 412,969.35, 619,452.56 and 232,973.13 is: 349,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,969.35 : 619,452.56 = 232,973.13 : x
  2. Step 2: Convert to fraction form
    412,969.35/619,452.56 = 232,973.13/x
  3. Step 3: Cross multiply
    412,969.35x = 619,452.56 × 232,973.13
  4. Step 4: Simplify right side
    412,969.35x = 144,315,801,210.67
  5. Step 5: Solve for x
    x = 144,315,801,210.67/412,969.35
  6. Step 6: Final answer
    x = 349,458.86

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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.