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Finding the Fourth Proportional to 318,867.06, 440,056.48 and 175,627.06

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Solution

The fourth proportional to 318,867.06, 440,056.48 and 175,627.06 is: 242,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,867.06 : 440,056.48 = 175,627.06 : x
  2. Step 2: Convert to fraction form
    318,867.06/440,056.48 = 175,627.06/x
  3. Step 3: Cross multiply
    318,867.06x = 440,056.48 × 175,627.06
  4. Step 4: Simplify right side
    318,867.06x = 77,285,825,816.35
  5. Step 5: Solve for x
    x = 77,285,825,816.35/318,867.06
  6. Step 6: Final answer
    x = 242,376.32

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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.