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Finding the Fourth Proportional to 367,553.10, 551,329.65 and 157,212.30

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Solution

The fourth proportional to 367,553.10, 551,329.65 and 157,212.30 is: 235,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,553.10 : 551,329.65 = 157,212.30 : x
  2. Step 2: Convert to fraction form
    367,553.10/551,329.65 = 157,212.30/x
  3. Step 3: Cross multiply
    367,553.10x = 551,329.65 × 157,212.30
  4. Step 4: Simplify right side
    367,553.10x = 86,675,802,334.70
  5. Step 5: Solve for x
    x = 86,675,802,334.70/367,553.10
  6. Step 6: Final answer
    x = 235,818.45

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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.