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Finding the Fourth Proportional to 341,641.05, 471,428.85 and 198,373.11

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Solution

The fourth proportional to 341,641.05, 471,428.85 and 198,373.11 is: 273,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,641.05 : 471,428.85 = 198,373.11 : x
  2. Step 2: Convert to fraction form
    341,641.05/471,428.85 = 198,373.11/x
  3. Step 3: Cross multiply
    341,641.05x = 471,428.85 × 198,373.11
  4. Step 4: Simplify right side
    341,641.05x = 93,518,807,118.22
  5. Step 5: Solve for x
    x = 93,518,807,118.22/341,641.05
  6. Step 6: Final answer
    x = 273,734.11

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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.