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Finding the Fourth Proportional to 723,605.93, 998,609.52 and 401,296.82

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Solution

The fourth proportional to 723,605.93, 998,609.52 and 401,296.82 is: 553,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,605.93 : 998,609.52 = 401,296.82 : x
  2. Step 2: Convert to fraction form
    723,605.93/998,609.52 = 401,296.82/x
  3. Step 3: Cross multiply
    723,605.93x = 998,609.52 × 401,296.82
  4. Step 4: Simplify right side
    723,605.93x = 400,738,824,797.73
  5. Step 5: Solve for x
    x = 400,738,824,797.73/723,605.93
  6. Step 6: Final answer
    x = 553,808.10

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1.5x scale

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.