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Finding the Fourth Proportional to 319,102.37, 440,341.48 and 175,854.41

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Solution

The fourth proportional to 319,102.37, 440,341.48 and 175,854.41 is: 242,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,102.37 : 440,341.48 = 175,854.41 : x
  2. Step 2: Convert to fraction form
    319,102.37/440,341.48 = 175,854.41/x
  3. Step 3: Cross multiply
    319,102.37x = 440,341.48 × 175,854.41
  4. Step 4: Simplify right side
    319,102.37x = 77,435,991,163.93
  5. Step 5: Solve for x
    x = 77,435,991,163.93/319,102.37
  6. Step 6: Final answer
    x = 242,668.18

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1.5x scale

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.