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Finding the Fourth Proportional to 502,673.40, 754,119.45 and 165,656.70

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Solution

The fourth proportional to 502,673.40, 754,119.45 and 165,656.70 is: 248,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,673.40 : 754,119.45 = 165,656.70 : x
  2. Step 2: Convert to fraction form
    502,673.40/754,119.45 = 165,656.70/x
  3. Step 3: Cross multiply
    502,673.40x = 754,119.45 × 165,656.70
  4. Step 4: Simplify right side
    502,673.40x = 124,924,939,492.82
  5. Step 5: Solve for x
    x = 124,924,939,492.82/502,673.40
  6. Step 6: Final answer
    x = 248,521.09

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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.