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Finding the Fourth Proportional to 224,030.20, 336,045.30 and 213,143.80

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Solution

The fourth proportional to 224,030.20, 336,045.30 and 213,143.80 is: 319,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,030.20 : 336,045.30 = 213,143.80 : x
  2. Step 2: Convert to fraction form
    224,030.20/336,045.30 = 213,143.80/x
  3. Step 3: Cross multiply
    224,030.20x = 336,045.30 × 213,143.80
  4. Step 4: Simplify right side
    224,030.20x = 71,625,972,214.14
  5. Step 5: Solve for x
    x = 71,625,972,214.14/224,030.20
  6. Step 6: Final answer
    x = 319,715.70

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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.