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Finding the Fourth Proportional to 524,110.80, 784,999.80 and 512,446.80

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Solution

The fourth proportional to 524,110.80, 784,999.80 and 512,446.80 is: 767,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,110.80 : 784,999.80 = 512,446.80 : x
  2. Step 2: Convert to fraction form
    524,110.80/784,999.80 = 512,446.80/x
  3. Step 3: Cross multiply
    524,110.80x = 784,999.80 × 512,446.80
  4. Step 4: Simplify right side
    524,110.80x = 402,270,635,510.64
  5. Step 5: Solve for x
    x = 402,270,635,510.64/524,110.80
  6. Step 6: Final answer
    x = 767,529.76

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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.