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Finding the Fourth Proportional to 524,277.36, 786,215.70 and 187,254.72

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Solution

The fourth proportional to 524,277.36, 786,215.70 and 187,254.72 is: 280,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,277.36 : 786,215.70 = 187,254.72 : x
  2. Step 2: Convert to fraction form
    524,277.36/786,215.70 = 187,254.72/x
  3. Step 3: Cross multiply
    524,277.36x = 786,215.70 × 187,254.72
  4. Step 4: Simplify right side
    524,277.36x = 147,222,600,763.10
  5. Step 5: Solve for x
    x = 147,222,600,763.10/524,277.36
  6. Step 6: Final answer
    x = 280,810.53

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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.