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Finding the Fourth Proportional to 403,076.90, 604,595.42 and 150,337.69

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Solution

The fourth proportional to 403,076.90, 604,595.42 and 150,337.69 is: 225,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,076.90 : 604,595.42 = 150,337.69 : x
  2. Step 2: Convert to fraction form
    403,076.90/604,595.42 = 150,337.69/x
  3. Step 3: Cross multiply
    403,076.90x = 604,595.42 × 150,337.69
  4. Step 4: Simplify right side
    403,076.90x = 90,893,480,338.87
  5. Step 5: Solve for x
    x = 90,893,480,338.87/403,076.90
  6. Step 6: Final answer
    x = 225,499.11

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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.