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Finding the Fourth Proportional to 435,159.81, 652,998.51 and 235,476.18

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Solution

The fourth proportional to 435,159.81, 652,998.51 and 235,476.18 is: 353,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,159.81 : 652,998.51 = 235,476.18 : x
  2. Step 2: Convert to fraction form
    435,159.81/652,998.51 = 235,476.18/x
  3. Step 3: Cross multiply
    435,159.81x = 652,998.51 × 235,476.18
  4. Step 4: Simplify right side
    435,159.81x = 153,765,594,680.49
  5. Step 5: Solve for x
    x = 153,765,594,680.49/435,159.81
  6. Step 6: Final answer
    x = 353,354.31

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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.