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Finding the Fourth Proportional to 423,488.01, 584,418.33 and 232,497.30

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Solution

The fourth proportional to 423,488.01, 584,418.33 and 232,497.30 is: 320,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,488.01 : 584,418.33 = 232,497.30 : x
  2. Step 2: Convert to fraction form
    423,488.01/584,418.33 = 232,497.30/x
  3. Step 3: Cross multiply
    423,488.01x = 584,418.33 × 232,497.30
  4. Step 4: Simplify right side
    423,488.01x = 135,875,683,795.51
  5. Step 5: Solve for x
    x = 135,875,683,795.51/423,488.01
  6. Step 6: Final answer
    x = 320,848.95

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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.