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Finding the Fourth Proportional to 269,483.95, 371,793.91 and 172,741.15

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Solution

The fourth proportional to 269,483.95, 371,793.91 and 172,741.15 is: 238,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,483.95 : 371,793.91 = 172,741.15 : x
  2. Step 2: Convert to fraction form
    269,483.95/371,793.91 = 172,741.15/x
  3. Step 3: Cross multiply
    269,483.95x = 371,793.91 × 172,741.15
  4. Step 4: Simplify right side
    269,483.95x = 64,224,107,576.40
  5. Step 5: Solve for x
    x = 64,224,107,576.40/269,483.95
  6. Step 6: Final answer
    x = 238,322.57

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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.