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Finding the Fourth Proportional to 723,566.93, 998,456.93 and 401,276.03

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Solution

The fourth proportional to 723,566.93, 998,456.93 and 401,276.03 is: 553,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,566.93 : 998,456.93 = 401,276.03 : x
  2. Step 2: Convert to fraction form
    723,566.93/998,456.93 = 401,276.03/x
  3. Step 3: Cross multiply
    723,566.93x = 998,456.93 × 401,276.03
  4. Step 4: Simplify right side
    723,566.93x = 400,656,827,502.51
  5. Step 5: Solve for x
    x = 400,656,827,502.51/723,566.93
  6. Step 6: Final answer
    x = 553,724.63

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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.