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Finding the Fourth Proportional to 616,844.61, 922,708.08 and 579,053.25

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Solution

The fourth proportional to 616,844.61, 922,708.08 and 579,053.25 is: 866,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,844.61 : 922,708.08 = 579,053.25 : x
  2. Step 2: Convert to fraction form
    616,844.61/922,708.08 = 579,053.25/x
  3. Step 3: Cross multiply
    616,844.61x = 922,708.08 × 579,053.25
  4. Step 4: Simplify right side
    616,844.61x = 534,297,112,525.26
  5. Step 5: Solve for x
    x = 534,297,112,525.26/616,844.61
  6. Step 6: Final answer
    x = 866,177.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.