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Finding the Fourth Proportional to 229,571.40, 344,444.56 and 207,307.74

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Solution

The fourth proportional to 229,571.40, 344,444.56 and 207,307.74 is: 311,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,571.40 : 344,444.56 = 207,307.74 : x
  2. Step 2: Convert to fraction form
    229,571.40/344,444.56 = 207,307.74/x
  3. Step 3: Cross multiply
    229,571.40x = 344,444.56 × 207,307.74
  4. Step 4: Simplify right side
    229,571.40x = 71,406,023,288.89
  5. Step 5: Solve for x
    x = 71,406,023,288.89/229,571.40
  6. Step 6: Final answer
    x = 311,040.59

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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.