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Finding the Fourth Proportional to 298,302.46, 447,358.51 and 98,585.62

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Solution

The fourth proportional to 298,302.46, 447,358.51 and 98,585.62 is: 147,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,302.46 : 447,358.51 = 98,585.62 : x
  2. Step 2: Convert to fraction form
    298,302.46/447,358.51 = 98,585.62/x
  3. Step 3: Cross multiply
    298,302.46x = 447,358.51 × 98,585.62
  4. Step 4: Simplify right side
    298,302.46x = 44,103,115,075.46
  5. Step 5: Solve for x
    x = 44,103,115,075.46/298,302.46
  6. Step 6: Final answer
    x = 147,846.97

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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.