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Finding the Fourth Proportional to 423,368.91, 584,250.98 and 232,383.87

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Solution

The fourth proportional to 423,368.91, 584,250.98 and 232,383.87 is: 320,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,368.91 : 584,250.98 = 232,383.87 : x
  2. Step 2: Convert to fraction form
    423,368.91/584,250.98 = 232,383.87/x
  3. Step 3: Cross multiply
    423,368.91x = 584,250.98 × 232,383.87
  4. Step 4: Simplify right side
    423,368.91x = 135,770,502,621.77
  5. Step 5: Solve for x
    x = 135,770,502,621.77/423,368.91
  6. Step 6: Final answer
    x = 320,690.77

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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.