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Finding the Fourth Proportional to 269,947.40, 404,337.90 and 234,955.40

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Solution

The fourth proportional to 269,947.40, 404,337.90 and 234,955.40 is: 351,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,947.40 : 404,337.90 = 234,955.40 : x
  2. Step 2: Convert to fraction form
    269,947.40/404,337.90 = 234,955.40/x
  3. Step 3: Cross multiply
    269,947.40x = 404,337.90 × 234,955.40
  4. Step 4: Simplify right side
    269,947.40x = 95,001,373,029.66
  5. Step 5: Solve for x
    x = 95,001,373,029.66/269,947.40
  6. Step 6: Final answer
    x = 351,925.50

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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.