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Finding the Fourth Proportional to 384,967, 577,440.78 and 104,476.96

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Solution

The fourth proportional to 384,967, 577,440.78 and 104,476.96 is: 156,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,967 : 577,440.78 = 104,476.96 : x
  2. Step 2: Convert to fraction form
    384,967/577,440.78 = 104,476.96/x
  3. Step 3: Cross multiply
    384,967x = 577,440.78 × 104,476.96
  4. Step 4: Simplify right side
    384,967x = 60,329,257,274.43
  5. Step 5: Solve for x
    x = 60,329,257,274.43/384,967
  6. Step 6: Final answer
    x = 156,712.80

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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.