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Finding the Fourth Proportional to 527,266.84, 790,736.60 and 190,263.76

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Solution

The fourth proportional to 527,266.84, 790,736.60 and 190,263.76 is: 285,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,266.84 : 790,736.60 = 190,263.76 : x
  2. Step 2: Convert to fraction form
    527,266.84/790,736.60 = 190,263.76/x
  3. Step 3: Cross multiply
    527,266.84x = 790,736.60 × 190,263.76
  4. Step 4: Simplify right side
    527,266.84x = 150,448,518,685.62
  5. Step 5: Solve for x
    x = 150,448,518,685.62/527,266.84
  6. Step 6: Final answer
    x = 285,336.58

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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.