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Finding the Fourth Proportional to 553,019.22, 829,528.43 and 153,659.79

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Solution

The fourth proportional to 553,019.22, 829,528.43 and 153,659.79 is: 230,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,019.22 : 829,528.43 = 153,659.79 : x
  2. Step 2: Convert to fraction form
    553,019.22/829,528.43 = 153,659.79/x
  3. Step 3: Cross multiply
    553,019.22x = 829,528.43 × 153,659.79
  4. Step 4: Simplify right side
    553,019.22x = 127,465,163,584.53
  5. Step 5: Solve for x
    x = 127,465,163,584.53/553,019.22
  6. Step 6: Final answer
    x = 230,489.57

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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.