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Finding the Fourth Proportional to 423,690.99, 584,691.56 and 230,097.34

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Solution

The fourth proportional to 423,690.99, 584,691.56 and 230,097.34 is: 317,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,690.99 : 584,691.56 = 230,097.34 : x
  2. Step 2: Convert to fraction form
    423,690.99/584,691.56 = 230,097.34/x
  3. Step 3: Cross multiply
    423,690.99x = 584,691.56 × 230,097.34
  4. Step 4: Simplify right side
    423,690.99x = 134,535,974,413.99
  5. Step 5: Solve for x
    x = 134,535,974,413.99/423,690.99
  6. Step 6: Final answer
    x = 317,533.25

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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.