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Finding the Fourth Proportional to 284,953.60, 427,468.80 and 98,022.40

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Solution

The fourth proportional to 284,953.60, 427,468.80 and 98,022.40 is: 147,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,953.60 : 427,468.80 = 98,022.40 : x
  2. Step 2: Convert to fraction form
    284,953.60/427,468.80 = 98,022.40/x
  3. Step 3: Cross multiply
    284,953.60x = 427,468.80 × 98,022.40
  4. Step 4: Simplify right side
    284,953.60x = 41,901,517,701.12
  5. Step 5: Solve for x
    x = 41,901,517,701.12/284,953.60
  6. Step 6: Final answer
    x = 147,046.81

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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.