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Finding the Fourth Proportional to 359,502.78, 496,293.59 and 223,580.52

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Solution

The fourth proportional to 359,502.78, 496,293.59 and 223,580.52 is: 308,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,502.78 : 496,293.59 = 223,580.52 : x
  2. Step 2: Convert to fraction form
    359,502.78/496,293.59 = 223,580.52/x
  3. Step 3: Cross multiply
    359,502.78x = 496,293.59 × 223,580.52
  4. Step 4: Simplify right side
    359,502.78x = 110,961,578,924.87
  5. Step 5: Solve for x
    x = 110,961,578,924.87/359,502.78
  6. Step 6: Final answer
    x = 308,652.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.