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Finding the Fourth Proportional to 298,594.32, 447,888.70 and 121,059.13

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Solution

The fourth proportional to 298,594.32, 447,888.70 and 121,059.13 is: 181,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,594.32 : 447,888.70 = 121,059.13 : x
  2. Step 2: Convert to fraction form
    298,594.32/447,888.70 = 121,059.13/x
  3. Step 3: Cross multiply
    298,594.32x = 447,888.70 × 121,059.13
  4. Step 4: Simplify right side
    298,594.32x = 54,221,016,616.04
  5. Step 5: Solve for x
    x = 54,221,016,616.04/298,594.32
  6. Step 6: Final answer
    x = 181,587.57

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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.