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Finding the Fourth Proportional to 298,281.84, 447,357.96 and 98,554.92

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Solution

The fourth proportional to 298,281.84, 447,357.96 and 98,554.92 is: 147,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,281.84 : 447,357.96 = 98,554.92 : x
  2. Step 2: Convert to fraction form
    298,281.84/447,357.96 = 98,554.92/x
  3. Step 3: Cross multiply
    298,281.84x = 447,357.96 × 98,554.92
  4. Step 4: Simplify right side
    298,281.84x = 44,089,327,959.16
  5. Step 5: Solve for x
    x = 44,089,327,959.16/298,281.84
  6. Step 6: Final answer
    x = 147,810.97

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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.