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Finding the Fourth Proportional to 435,659.69, 653,334.88 and 127,825.76

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Solution

The fourth proportional to 435,659.69, 653,334.88 and 127,825.76 is: 191,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,659.69 : 653,334.88 = 127,825.76 : x
  2. Step 2: Convert to fraction form
    435,659.69/653,334.88 = 127,825.76/x
  3. Step 3: Cross multiply
    435,659.69x = 653,334.88 × 127,825.76
  4. Step 4: Simplify right side
    435,659.69x = 83,513,027,570.51
  5. Step 5: Solve for x
    x = 83,513,027,570.51/435,659.69
  6. Step 6: Final answer
    x = 191,693.26

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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.