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Finding the Fourth Proportional to 298,444.22, 447,384.93 and 148,542.80

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Solution

The fourth proportional to 298,444.22, 447,384.93 and 148,542.80 is: 222,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,444.22 : 447,384.93 = 148,542.80 : x
  2. Step 2: Convert to fraction form
    298,444.22/447,384.93 = 148,542.80/x
  3. Step 3: Cross multiply
    298,444.22x = 447,384.93 × 148,542.80
  4. Step 4: Simplify right side
    298,444.22x = 66,455,811,298.47
  5. Step 5: Solve for x
    x = 66,455,811,298.47/298,444.22
  6. Step 6: Final answer
    x = 222,674.14

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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.