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Finding the Fourth Proportional to 284,715.60, 426,854.70 and 160,056.60

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Solution

The fourth proportional to 284,715.60, 426,854.70 and 160,056.60 is: 239,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,715.60 : 426,854.70 = 160,056.60 : x
  2. Step 2: Convert to fraction form
    284,715.60/426,854.70 = 160,056.60/x
  3. Step 3: Cross multiply
    284,715.60x = 426,854.70 × 160,056.60
  4. Step 4: Simplify right side
    284,715.60x = 68,320,911,976.02
  5. Step 5: Solve for x
    x = 68,320,911,976.02/284,715.60
  6. Step 6: Final answer
    x = 239,961.95

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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.