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Finding the Fourth Proportional to 527,133.74, 790,700.71 and 190,174.28

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Solution

The fourth proportional to 527,133.74, 790,700.71 and 190,174.28 is: 285,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,133.74 : 790,700.71 = 190,174.28 : x
  2. Step 2: Convert to fraction form
    527,133.74/790,700.71 = 190,174.28/x
  3. Step 3: Cross multiply
    527,133.74x = 790,700.71 × 190,174.28
  4. Step 4: Simplify right side
    527,133.74x = 150,370,938,219.74
  5. Step 5: Solve for x
    x = 150,370,938,219.74/527,133.74
  6. Step 6: Final answer
    x = 285,261.46

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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.