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Finding the Fourth Proportional to 377,744.59, 521,131.35 and 224,752.20

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Solution

The fourth proportional to 377,744.59, 521,131.35 and 224,752.20 is: 310,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,744.59 : 521,131.35 = 224,752.20 : x
  2. Step 2: Convert to fraction form
    377,744.59/521,131.35 = 224,752.20/x
  3. Step 3: Cross multiply
    377,744.59x = 521,131.35 × 224,752.20
  4. Step 4: Simplify right side
    377,744.59x = 117,125,417,401.47
  5. Step 5: Solve for x
    x = 117,125,417,401.47/377,744.59
  6. Step 6: Final answer
    x = 310,065.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.