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Finding the Fourth Proportional to 298,068.68, 447,116.74 and 98,406.44

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Solution

The fourth proportional to 298,068.68, 447,116.74 and 98,406.44 is: 147,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,068.68 : 447,116.74 = 98,406.44 : x
  2. Step 2: Convert to fraction form
    298,068.68/447,116.74 = 98,406.44/x
  3. Step 3: Cross multiply
    298,068.68x = 447,116.74 × 98,406.44
  4. Step 4: Simplify right side
    298,068.68x = 43,999,166,647.81
  5. Step 5: Solve for x
    x = 43,999,166,647.81/298,068.68
  6. Step 6: Final answer
    x = 147,614.19

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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.