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Finding the Fourth Proportional to 502,388.68, 753,585.53 and 249,609.75

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Solution

The fourth proportional to 502,388.68, 753,585.53 and 249,609.75 is: 374,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,388.68 : 753,585.53 = 249,609.75 : x
  2. Step 2: Convert to fraction form
    502,388.68/753,585.53 = 249,609.75/x
  3. Step 3: Cross multiply
    502,388.68x = 753,585.53 × 249,609.75
  4. Step 4: Simplify right side
    502,388.68x = 188,102,295,911.84
  5. Step 5: Solve for x
    x = 188,102,295,911.84/502,388.68
  6. Step 6: Final answer
    x = 374,415.87

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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.