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Finding the Fourth Proportional to 502,477.40, 753,554.12 and 165,437.80

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Solution

The fourth proportional to 502,477.40, 753,554.12 and 165,437.80 is: 248,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,477.40 : 753,554.12 = 165,437.80 : x
  2. Step 2: Convert to fraction form
    502,477.40/753,554.12 = 165,437.80/x
  3. Step 3: Cross multiply
    502,477.40x = 753,554.12 × 165,437.80
  4. Step 4: Simplify right side
    502,477.40x = 124,666,333,082.66
  5. Step 5: Solve for x
    x = 124,666,333,082.66/502,477.40
  6. Step 6: Final answer
    x = 248,103.36

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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.