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Finding the Fourth Proportional to 248,862.80, 373,294.20 and 185,877.20

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Solution

The fourth proportional to 248,862.80, 373,294.20 and 185,877.20 is: 278,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,862.80 : 373,294.20 = 185,877.20 : x
  2. Step 2: Convert to fraction form
    248,862.80/373,294.20 = 185,877.20/x
  3. Step 3: Cross multiply
    248,862.80x = 373,294.20 × 185,877.20
  4. Step 4: Simplify right side
    248,862.80x = 69,386,880,672.24
  5. Step 5: Solve for x
    x = 69,386,880,672.24/248,862.80
  6. Step 6: Final answer
    x = 278,815.80

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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.