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Finding the Fourth Proportional to 502,978.16, 754,516.44 and 183,216.89

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Solution

The fourth proportional to 502,978.16, 754,516.44 and 183,216.89 is: 274,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,978.16 : 754,516.44 = 183,216.89 : x
  2. Step 2: Convert to fraction form
    502,978.16/754,516.44 = 183,216.89/x
  3. Step 3: Cross multiply
    502,978.16x = 754,516.44 × 183,216.89
  4. Step 4: Simplify right side
    502,978.16x = 138,240,151,818.09
  5. Step 5: Solve for x
    x = 138,240,151,818.09/502,978.16
  6. Step 6: Final answer
    x = 274,843.25

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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.