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Finding the Fourth Proportional to 502,994.91, 754,567.21 and 166,071.16

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Solution

The fourth proportional to 502,994.91, 754,567.21 and 166,071.16 is: 249,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,994.91 : 754,567.21 = 166,071.16 : x
  2. Step 2: Convert to fraction form
    502,994.91/754,567.21 = 166,071.16/x
  3. Step 3: Cross multiply
    502,994.91x = 754,567.21 × 166,071.16
  4. Step 4: Simplify right side
    502,994.91x = 125,311,853,013.46
  5. Step 5: Solve for x
    x = 125,311,853,013.46/502,994.91
  6. Step 6: Final answer
    x = 249,131.45

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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.