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Finding the Fourth Proportional to 473,684.72, 653,684.60 and 269,725.04

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Solution

The fourth proportional to 473,684.72, 653,684.60 and 269,725.04 is: 372,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,684.72 : 653,684.60 = 269,725.04 : x
  2. Step 2: Convert to fraction form
    473,684.72/653,684.60 = 269,725.04/x
  3. Step 3: Cross multiply
    473,684.72x = 653,684.60 × 269,725.04
  4. Step 4: Simplify right side
    473,684.72x = 176,315,104,882.38
  5. Step 5: Solve for x
    x = 176,315,104,882.38/473,684.72
  6. Step 6: Final answer
    x = 372,220.38

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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.