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Finding the Fourth Proportional to 374,456.80, 561,685.20 and 367,458.40

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Solution

The fourth proportional to 374,456.80, 561,685.20 and 367,458.40 is: 551,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,456.80 : 561,685.20 = 367,458.40 : x
  2. Step 2: Convert to fraction form
    374,456.80/561,685.20 = 367,458.40/x
  3. Step 3: Cross multiply
    374,456.80x = 561,685.20 × 367,458.40
  4. Step 4: Simplify right side
    374,456.80x = 206,395,944,895.68
  5. Step 5: Solve for x
    x = 206,395,944,895.68/374,456.80
  6. Step 6: Final answer
    x = 551,187.60

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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.