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Finding the Fourth Proportional to 319,092.95, 440,351.28 and 175,858.22

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Solution

The fourth proportional to 319,092.95, 440,351.28 and 175,858.22 is: 242,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,092.95 : 440,351.28 = 175,858.22 : x
  2. Step 2: Convert to fraction form
    319,092.95/440,351.28 = 175,858.22/x
  3. Step 3: Cross multiply
    319,092.95x = 440,351.28 × 175,858.22
  4. Step 4: Simplify right side
    319,092.95x = 77,439,390,073.77
  5. Step 5: Solve for x
    x = 77,439,390,073.77/319,092.95
  6. Step 6: Final answer
    x = 242,686.00

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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.