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Finding the Fourth Proportional to 517,526.04, 714,178.62 and 291,171

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Solution

The fourth proportional to 517,526.04, 714,178.62 and 291,171 is: 401,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,526.04 : 714,178.62 = 291,171 : x
  2. Step 2: Convert to fraction form
    517,526.04/714,178.62 = 291,171/x
  3. Step 3: Cross multiply
    517,526.04x = 714,178.62 × 291,171
  4. Step 4: Simplify right side
    517,526.04x = 207,948,102,964.02
  5. Step 5: Solve for x
    x = 207,948,102,964.02/517,526.04
  6. Step 6: Final answer
    x = 401,811.86

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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.