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Finding the Fourth Proportional to 319,035.56, 440,288.68 and 175,795.56

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Solution

The fourth proportional to 319,035.56, 440,288.68 and 175,795.56 is: 242,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,035.56 : 440,288.68 = 175,795.56 : x
  2. Step 2: Convert to fraction form
    319,035.56/440,288.68 = 175,795.56/x
  3. Step 3: Cross multiply
    319,035.56x = 440,288.68 × 175,795.56
  4. Step 4: Simplify right side
    319,035.56x = 77,400,795,062.26
  5. Step 5: Solve for x
    x = 77,400,795,062.26/319,035.56
  6. Step 6: Final answer
    x = 242,608.68

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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.