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Finding the Fourth Proportional to 341,246.80, 511,217.40 and 183,422.80

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Solution

The fourth proportional to 341,246.80, 511,217.40 and 183,422.80 is: 274,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,246.80 : 511,217.40 = 183,422.80 : x
  2. Step 2: Convert to fraction form
    341,246.80/511,217.40 = 183,422.80/x
  3. Step 3: Cross multiply
    341,246.80x = 511,217.40 × 183,422.80
  4. Step 4: Simplify right side
    341,246.80x = 93,768,926,916.72
  5. Step 5: Solve for x
    x = 93,768,926,916.72/341,246.80
  6. Step 6: Final answer
    x = 274,783.31

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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.