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Finding the Fourth Proportional to 364,584.66, 546,931.66 and 127,885.65

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Solution

The fourth proportional to 364,584.66, 546,931.66 and 127,885.65 is: 191,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,584.66 : 546,931.66 = 127,885.65 : x
  2. Step 2: Convert to fraction form
    364,584.66/546,931.66 = 127,885.65/x
  3. Step 3: Cross multiply
    364,584.66x = 546,931.66 × 127,885.65
  4. Step 4: Simplify right side
    364,584.66x = 69,944,710,844.68
  5. Step 5: Solve for x
    x = 69,944,710,844.68/364,584.66
  6. Step 6: Final answer
    x = 191,847.65

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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.