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Finding the Fourth Proportional to 538,228.80, 807,343.20 and 183,254.40

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Solution

The fourth proportional to 538,228.80, 807,343.20 and 183,254.40 is: 274,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,228.80 : 807,343.20 = 183,254.40 : x
  2. Step 2: Convert to fraction form
    538,228.80/807,343.20 = 183,254.40/x
  3. Step 3: Cross multiply
    538,228.80x = 807,343.20 × 183,254.40
  4. Step 4: Simplify right side
    538,228.80x = 147,949,193,710.08
  5. Step 5: Solve for x
    x = 147,949,193,710.08/538,228.80
  6. Step 6: Final answer
    x = 274,881.60

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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.