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Finding the Fourth Proportional to 524,889.42, 724,465.55 and 343,496.27

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Solution

The fourth proportional to 524,889.42, 724,465.55 and 343,496.27 is: 474,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,889.42 : 724,465.55 = 343,496.27 : x
  2. Step 2: Convert to fraction form
    524,889.42/724,465.55 = 343,496.27/x
  3. Step 3: Cross multiply
    524,889.42x = 724,465.55 × 343,496.27
  4. Step 4: Simplify right side
    524,889.42x = 248,851,211,404.91
  5. Step 5: Solve for x
    x = 248,851,211,404.91/524,889.42
  6. Step 6: Final answer
    x = 474,102.17

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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.