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Finding the Fourth Proportional to 336,427.20, 504,729.90 and 146,806.20

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Solution

The fourth proportional to 336,427.20, 504,729.90 and 146,806.20 is: 220,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,427.20 : 504,729.90 = 146,806.20 : x
  2. Step 2: Convert to fraction form
    336,427.20/504,729.90 = 146,806.20/x
  3. Step 3: Cross multiply
    336,427.20x = 504,729.90 × 146,806.20
  4. Step 4: Simplify right side
    336,427.20x = 74,097,478,645.38
  5. Step 5: Solve for x
    x = 74,097,478,645.38/336,427.20
  6. Step 6: Final answer
    x = 220,248.18

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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.