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Finding the Fourth Proportional to 502,467.30, 753,804.81 and 165,528.45

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Solution

The fourth proportional to 502,467.30, 753,804.81 and 165,528.45 is: 248,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,467.30 : 753,804.81 = 165,528.45 : x
  2. Step 2: Convert to fraction form
    502,467.30/753,804.81 = 165,528.45/x
  3. Step 3: Cross multiply
    502,467.30x = 753,804.81 × 165,528.45
  4. Step 4: Simplify right side
    502,467.30x = 124,776,141,801.85
  5. Step 5: Solve for x
    x = 124,776,141,801.85/502,467.30
  6. Step 6: Final answer
    x = 248,326.89

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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.