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Finding the Fourth Proportional to 517,650.03, 714,348.54 and 291,295.53

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Solution

The fourth proportional to 517,650.03, 714,348.54 and 291,295.53 is: 401,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,650.03 : 714,348.54 = 291,295.53 : x
  2. Step 2: Convert to fraction form
    517,650.03/714,348.54 = 291,295.53/x
  3. Step 3: Cross multiply
    517,650.03x = 714,348.54 × 291,295.53
  4. Step 4: Simplify right side
    517,650.03x = 208,086,536,564.03
  5. Step 5: Solve for x
    x = 208,086,536,564.03/517,650.03
  6. Step 6: Final answer
    x = 401,983.05

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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.