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Finding the Fourth Proportional to 423,646.56, 584,631.56 and 232,659.95

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Solution

The fourth proportional to 423,646.56, 584,631.56 and 232,659.95 is: 321,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,646.56 : 584,631.56 = 232,659.95 : x
  2. Step 2: Convert to fraction form
    423,646.56/584,631.56 = 232,659.95/x
  3. Step 3: Cross multiply
    423,646.56x = 584,631.56 × 232,659.95
  4. Step 4: Simplify right side
    423,646.56x = 136,020,345,431.56
  5. Step 5: Solve for x
    x = 136,020,345,431.56/423,646.56
  6. Step 6: Final answer
    x = 321,070.34

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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.