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Finding the Fourth Proportional to 363,020.40, 544,530.60 and 349,242.30

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Solution

The fourth proportional to 363,020.40, 544,530.60 and 349,242.30 is: 523,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,020.40 : 544,530.60 = 349,242.30 : x
  2. Step 2: Convert to fraction form
    363,020.40/544,530.60 = 349,242.30/x
  3. Step 3: Cross multiply
    363,020.40x = 544,530.60 × 349,242.30
  4. Step 4: Simplify right side
    363,020.40x = 190,173,119,164.38
  5. Step 5: Solve for x
    x = 190,173,119,164.38/363,020.40
  6. Step 6: Final answer
    x = 523,863.45

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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.