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Finding the Fourth Proportional to 518,901.03, 716,082.24 and 292,544.91

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Solution

The fourth proportional to 518,901.03, 716,082.24 and 292,544.91 is: 403,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,901.03 : 716,082.24 = 292,544.91 : x
  2. Step 2: Convert to fraction form
    518,901.03/716,082.24 = 292,544.91/x
  3. Step 3: Cross multiply
    518,901.03x = 716,082.24 × 292,544.91
  4. Step 4: Simplify right side
    518,901.03x = 209,486,214,453.40
  5. Step 5: Solve for x
    x = 209,486,214,453.40/518,901.03
  6. Step 6: Final answer
    x = 403,711.31

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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.