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Finding the Fourth Proportional to 277,720.60, 416,582.46 and 67,358.68

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Solution

The fourth proportional to 277,720.60, 416,582.46 and 67,358.68 is: 101,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,720.60 : 416,582.46 = 67,358.68 : x
  2. Step 2: Convert to fraction form
    277,720.60/416,582.46 = 67,358.68/x
  3. Step 3: Cross multiply
    277,720.60x = 416,582.46 × 67,358.68
  4. Step 4: Simplify right side
    277,720.60x = 28,060,444,616.75
  5. Step 5: Solve for x
    x = 28,060,444,616.75/277,720.60
  6. Step 6: Final answer
    x = 101,038.40

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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.