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Finding the Fourth Proportional to 468,865.80, 703,386.36 and 153,339.84

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Solution

The fourth proportional to 468,865.80, 703,386.36 and 153,339.84 is: 230,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,865.80 : 703,386.36 = 153,339.84 : x
  2. Step 2: Convert to fraction form
    468,865.80/703,386.36 = 153,339.84/x
  3. Step 3: Cross multiply
    468,865.80x = 703,386.36 × 153,339.84
  4. Step 4: Simplify right side
    468,865.80x = 107,857,151,900.58
  5. Step 5: Solve for x
    x = 107,857,151,900.58/468,865.80
  6. Step 6: Final answer
    x = 230,038.43

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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.