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Finding the Fourth Proportional to 423,641.61, 584,635.59 and 232,659.14

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Solution

The fourth proportional to 423,641.61, 584,635.59 and 232,659.14 is: 321,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,641.61 : 584,635.59 = 232,659.14 : x
  2. Step 2: Convert to fraction form
    423,641.61/584,635.59 = 232,659.14/x
  3. Step 3: Cross multiply
    423,641.61x = 584,635.59 × 232,659.14
  4. Step 4: Simplify right side
    423,641.61x = 136,020,810,659.62
  5. Step 5: Solve for x
    x = 136,020,810,659.62/423,641.61
  6. Step 6: Final answer
    x = 321,075.19

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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.