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Finding the Fourth Proportional to 319,047.56, 440,305.24 and 175,807.56

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Solution

The fourth proportional to 319,047.56, 440,305.24 and 175,807.56 is: 242,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,047.56 : 440,305.24 = 175,807.56 : x
  2. Step 2: Convert to fraction form
    319,047.56/440,305.24 = 175,807.56/x
  3. Step 3: Cross multiply
    319,047.56x = 440,305.24 × 175,807.56
  4. Step 4: Simplify right side
    319,047.56x = 77,408,989,899.61
  5. Step 5: Solve for x
    x = 77,408,989,899.61/319,047.56
  6. Step 6: Final answer
    x = 242,625.24

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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.