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Finding the Fourth Proportional to 369,339.33, 554,009.00 and 88,856.58

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Solution

The fourth proportional to 369,339.33, 554,009.00 and 88,856.58 is: 133,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,339.33 : 554,009.00 = 88,856.58 : x
  2. Step 2: Convert to fraction form
    369,339.33/554,009.00 = 88,856.58/x
  3. Step 3: Cross multiply
    369,339.33x = 554,009.00 × 88,856.58
  4. Step 4: Simplify right side
    369,339.33x = 49,227,344,045.99
  5. Step 5: Solve for x
    x = 49,227,344,045.99/369,339.33
  6. Step 6: Final answer
    x = 133,284.87

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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.