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Finding the Fourth Proportional to 524,516.80, 786,772.56 and 453,222.51

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Solution

The fourth proportional to 524,516.80, 786,772.56 and 453,222.51 is: 679,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,516.80 : 786,772.56 = 453,222.51 : x
  2. Step 2: Convert to fraction form
    524,516.80/786,772.56 = 453,222.51/x
  3. Step 3: Cross multiply
    524,516.80x = 786,772.56 × 453,222.51
  4. Step 4: Simplify right side
    524,516.80x = 356,583,033,819.89
  5. Step 5: Solve for x
    x = 356,583,033,819.89/524,516.80
  6. Step 6: Final answer
    x = 679,831.48

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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.