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Finding the Fourth Proportional to 526,810.59, 790,455.78 and 223,287.93

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Solution

The fourth proportional to 526,810.59, 790,455.78 and 223,287.93 is: 335,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,810.59 : 790,455.78 = 223,287.93 : x
  2. Step 2: Convert to fraction form
    526,810.59/790,455.78 = 223,287.93/x
  3. Step 3: Cross multiply
    526,810.59x = 790,455.78 × 223,287.93
  4. Step 4: Simplify right side
    526,810.59x = 176,499,234,872.74
  5. Step 5: Solve for x
    x = 176,499,234,872.74/526,810.59
  6. Step 6: Final answer
    x = 335,033.57

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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.