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Finding the Fourth Proportional to 319,803.68, 441,322 and 174,604.48

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Solution

The fourth proportional to 319,803.68, 441,322 and 174,604.48 is: 240,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,803.68 : 441,322 = 174,604.48 : x
  2. Step 2: Convert to fraction form
    319,803.68/441,322 = 174,604.48/x
  3. Step 3: Cross multiply
    319,803.68x = 441,322 × 174,604.48
  4. Step 4: Simplify right side
    319,803.68x = 77,056,798,322.56
  5. Step 5: Solve for x
    x = 77,056,798,322.56/319,803.68
  6. Step 6: Final answer
    x = 240,950.32

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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.