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Finding the Fourth Proportional to 469,329.52, 703,923 and 153,779.44

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Solution

The fourth proportional to 469,329.52, 703,923 and 153,779.44 is: 230,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,329.52 : 703,923 = 153,779.44 : x
  2. Step 2: Convert to fraction form
    469,329.52/703,923 = 153,779.44/x
  3. Step 3: Cross multiply
    469,329.52x = 703,923 × 153,779.44
  4. Step 4: Simplify right side
    469,329.52x = 108,248,884,743.12
  5. Step 5: Solve for x
    x = 108,248,884,743.12/469,329.52
  6. Step 6: Final answer
    x = 230,645.80

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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.