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Finding the Fourth Proportional to 517,525.04, 714,177.24 and 291,170

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Solution

The fourth proportional to 517,525.04, 714,177.24 and 291,170 is: 401,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,525.04 : 714,177.24 = 291,170 : x
  2. Step 2: Convert to fraction form
    517,525.04/714,177.24 = 291,170/x
  3. Step 3: Cross multiply
    517,525.04x = 714,177.24 × 291,170
  4. Step 4: Simplify right side
    517,525.04x = 207,946,986,970.80
  5. Step 5: Solve for x
    x = 207,946,986,970.80/517,525.04
  6. Step 6: Final answer
    x = 401,810.48

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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.