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Finding the Fourth Proportional to 423,653.08, 584,640.53 and 232,666.46

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Solution

The fourth proportional to 423,653.08, 584,640.53 and 232,666.46 is: 321,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,653.08 : 584,640.53 = 232,666.46 : x
  2. Step 2: Convert to fraction form
    423,653.08/584,640.53 = 232,666.46/x
  3. Step 3: Cross multiply
    423,653.08x = 584,640.53 × 232,666.46
  4. Step 4: Simplify right side
    423,653.08x = 136,026,239,564.42
  5. Step 5: Solve for x
    x = 136,026,239,564.42/423,653.08
  6. Step 6: Final answer
    x = 321,079.31

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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.