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Finding the Fourth Proportional to 616,112.46, 923,773.14 and 256,532.40

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Solution

The fourth proportional to 616,112.46, 923,773.14 and 256,532.40 is: 384,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,112.46 : 923,773.14 = 256,532.40 : x
  2. Step 2: Convert to fraction form
    616,112.46/923,773.14 = 256,532.40/x
  3. Step 3: Cross multiply
    616,112.46x = 923,773.14 × 256,532.40
  4. Step 4: Simplify right side
    616,112.46x = 236,977,740,659.74
  5. Step 5: Solve for x
    x = 236,977,740,659.74/616,112.46
  6. Step 6: Final answer
    x = 384,633.90

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1.5x scale

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.