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Finding the Fourth Proportional to 311,873.60, 467,810.40 and 178,702.40

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Solution

The fourth proportional to 311,873.60, 467,810.40 and 178,702.40 is: 268,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,873.60 : 467,810.40 = 178,702.40 : x
  2. Step 2: Convert to fraction form
    311,873.60/467,810.40 = 178,702.40/x
  3. Step 3: Cross multiply
    311,873.60x = 467,810.40 × 178,702.40
  4. Step 4: Simplify right side
    311,873.60x = 83,598,841,224.96
  5. Step 5: Solve for x
    x = 83,598,841,224.96/311,873.60
  6. Step 6: Final answer
    x = 268,053.60

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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.