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Finding the Fourth Proportional to 298,279.59, 447,354.59 and 98,552.67

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Solution

The fourth proportional to 298,279.59, 447,354.59 and 98,552.67 is: 147,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,279.59 : 447,354.59 = 98,552.67 : x
  2. Step 2: Convert to fraction form
    298,279.59/447,354.59 = 98,552.67/x
  3. Step 3: Cross multiply
    298,279.59x = 447,354.59 × 98,552.67
  4. Step 4: Simplify right side
    298,279.59x = 44,087,988,788.49
  5. Step 5: Solve for x
    x = 44,087,988,788.49/298,279.59
  6. Step 6: Final answer
    x = 147,807.59

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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.