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Finding the Fourth Proportional to 532,739.62, 735,171.45 and 291,015.98

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Solution

The fourth proportional to 532,739.62, 735,171.45 and 291,015.98 is: 401,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,739.62 : 735,171.45 = 291,015.98 : x
  2. Step 2: Convert to fraction form
    532,739.62/735,171.45 = 291,015.98/x
  3. Step 3: Cross multiply
    532,739.62x = 735,171.45 × 291,015.98
  4. Step 4: Simplify right side
    532,739.62x = 213,946,639,989.77
  5. Step 5: Solve for x
    x = 213,946,639,989.77/532,739.62
  6. Step 6: Final answer
    x = 401,597.01

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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.