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Finding the Fourth Proportional to 532,611.48, 798,007.86 and 292,926

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Solution

The fourth proportional to 532,611.48, 798,007.86 and 292,926 is: 438,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,611.48 : 798,007.86 = 292,926 : x
  2. Step 2: Convert to fraction form
    532,611.48/798,007.86 = 292,926/x
  3. Step 3: Cross multiply
    532,611.48x = 798,007.86 × 292,926
  4. Step 4: Simplify right side
    532,611.48x = 233,757,250,398.36
  5. Step 5: Solve for x
    x = 233,757,250,398.36/532,611.48
  6. Step 6: Final answer
    x = 438,888.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.