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Finding the Fourth Proportional to 341,553.42, 471,341.91 and 198,348.66

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Solution

The fourth proportional to 341,553.42, 471,341.91 and 198,348.66 is: 273,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,553.42 : 471,341.91 = 198,348.66 : x
  2. Step 2: Convert to fraction form
    341,553.42/471,341.91 = 198,348.66/x
  3. Step 3: Cross multiply
    341,553.42x = 471,341.91 × 198,348.66
  4. Step 4: Simplify right side
    341,553.42x = 93,490,036,250.34
  5. Step 5: Solve for x
    x = 93,490,036,250.34/341,553.42
  6. Step 6: Final answer
    x = 273,720.10

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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.