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Finding the Fourth Proportional to 319,796.55, 441,307.63 and 174,599.65

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Solution

The fourth proportional to 319,796.55, 441,307.63 and 174,599.65 is: 240,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,796.55 : 441,307.63 = 174,599.65 : x
  2. Step 2: Convert to fraction form
    319,796.55/441,307.63 = 174,599.65/x
  3. Step 3: Cross multiply
    319,796.55x = 441,307.63 × 174,599.65
  4. Step 4: Simplify right side
    319,796.55x = 77,052,157,740.33
  5. Step 5: Solve for x
    x = 77,052,157,740.33/319,796.55
  6. Step 6: Final answer
    x = 240,941.18

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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.