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Finding the Fourth Proportional to 524,058.44, 786,087.66 and 130,074.44

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Solution

The fourth proportional to 524,058.44, 786,087.66 and 130,074.44 is: 195,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,058.44 : 786,087.66 = 130,074.44 : x
  2. Step 2: Convert to fraction form
    524,058.44/786,087.66 = 130,074.44/x
  3. Step 3: Cross multiply
    524,058.44x = 786,087.66 × 130,074.44
  4. Step 4: Simplify right side
    524,058.44x = 102,249,912,165.41
  5. Step 5: Solve for x
    x = 102,249,912,165.41/524,058.44
  6. Step 6: Final answer
    x = 195,111.66

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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.