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Finding the Fourth Proportional to 367,572.40, 551,488.20 and 354,612.40

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Solution

The fourth proportional to 367,572.40, 551,488.20 and 354,612.40 is: 532,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,572.40 : 551,488.20 = 354,612.40 : x
  2. Step 2: Convert to fraction form
    367,572.40/551,488.20 = 354,612.40/x
  3. Step 3: Cross multiply
    367,572.40x = 551,488.20 × 354,612.40
  4. Step 4: Simplify right side
    367,572.40x = 195,564,554,173.68
  5. Step 5: Solve for x
    x = 195,564,554,173.68/367,572.40
  6. Step 6: Final answer
    x = 532,043.63

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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.