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Finding the Fourth Proportional to 517,544.80, 714,161.04 and 291,185.44

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Solution

The fourth proportional to 517,544.80, 714,161.04 and 291,185.44 is: 401,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,544.80 : 714,161.04 = 291,185.44 : x
  2. Step 2: Convert to fraction form
    517,544.80/714,161.04 = 291,185.44/x
  3. Step 3: Cross multiply
    517,544.80x = 714,161.04 × 291,185.44
  4. Step 4: Simplify right side
    517,544.80x = 207,953,296,663.26
  5. Step 5: Solve for x
    x = 207,953,296,663.26/517,544.80
  6. Step 6: Final answer
    x = 401,807.33

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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.