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Finding the Fourth Proportional to 524,343.65, 723,573.39 and 309,552.90

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Solution

The fourth proportional to 524,343.65, 723,573.39 and 309,552.90 is: 427,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,343.65 : 723,573.39 = 309,552.90 : x
  2. Step 2: Convert to fraction form
    524,343.65/723,573.39 = 309,552.90/x
  3. Step 3: Cross multiply
    524,343.65x = 723,573.39 × 309,552.90
  4. Step 4: Simplify right side
    524,343.65x = 223,984,241,237.33
  5. Step 5: Solve for x
    x = 223,984,241,237.33/524,343.65
  6. Step 6: Final answer
    x = 427,170.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.