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Finding the Fourth Proportional to 537,728.40, 806,592.60 and 183,142.80

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Solution

The fourth proportional to 537,728.40, 806,592.60 and 183,142.80 is: 274,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,728.40 : 806,592.60 = 183,142.80 : x
  2. Step 2: Convert to fraction form
    537,728.40/806,592.60 = 183,142.80/x
  3. Step 3: Cross multiply
    537,728.40x = 806,592.60 × 183,142.80
  4. Step 4: Simplify right side
    537,728.40x = 147,721,627,223.28
  5. Step 5: Solve for x
    x = 147,721,627,223.28/537,728.40
  6. Step 6: Final answer
    x = 274,714.20

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Similar ratio
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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.