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Finding the Fourth Proportional to 357,695, 535,726.02 and 170,837.72

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Solution

The fourth proportional to 357,695, 535,726.02 and 170,837.72 is: 255,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,695 : 535,726.02 = 170,837.72 : x
  2. Step 2: Convert to fraction form
    357,695/535,726.02 = 170,837.72/x
  3. Step 3: Cross multiply
    357,695x = 535,726.02 × 170,837.72
  4. Step 4: Simplify right side
    357,695x = 91,522,211,801.47
  5. Step 5: Solve for x
    x = 91,522,211,801.47/357,695
  6. Step 6: Final answer
    x = 255,866.62

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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.