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Finding the Fourth Proportional to 435,115.84, 652,869.54 and 235,202.18

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Solution

The fourth proportional to 435,115.84, 652,869.54 and 235,202.18 is: 352,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,115.84 : 652,869.54 = 235,202.18 : x
  2. Step 2: Convert to fraction form
    435,115.84/652,869.54 = 235,202.18/x
  3. Step 3: Cross multiply
    435,115.84x = 652,869.54 × 235,202.18
  4. Step 4: Simplify right side
    435,115.84x = 153,556,339,063.60
  5. Step 5: Solve for x
    x = 153,556,339,063.60/435,115.84
  6. Step 6: Final answer
    x = 352,909.10

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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.