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Finding the Fourth Proportional to 413,266.89, 619,900.35 and 163,948.89

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Solution

The fourth proportional to 413,266.89, 619,900.35 and 163,948.89 is: 245,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,266.89 : 619,900.35 = 163,948.89 : x
  2. Step 2: Convert to fraction form
    413,266.89/619,900.35 = 163,948.89/x
  3. Step 3: Cross multiply
    413,266.89x = 619,900.35 × 163,948.89
  4. Step 4: Simplify right side
    413,266.89x = 101,631,974,293.11
  5. Step 5: Solve for x
    x = 101,631,974,293.11/413,266.89
  6. Step 6: Final answer
    x = 245,923.34

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Similar ratio
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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.