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Finding the Fourth Proportional to 423,651.12, 584,648.73 and 232,668.65

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Solution

The fourth proportional to 423,651.12, 584,648.73 and 232,668.65 is: 321,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,651.12 : 584,648.73 = 232,668.65 : x
  2. Step 2: Convert to fraction form
    423,651.12/584,648.73 = 232,668.65/x
  3. Step 3: Cross multiply
    423,651.12x = 584,648.73 × 232,668.65
  4. Step 4: Simplify right side
    423,651.12x = 136,029,427,810.07
  5. Step 5: Solve for x
    x = 136,029,427,810.07/423,651.12
  6. Step 6: Final answer
    x = 321,088.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.