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Finding the Fourth Proportional to 315,717.84, 472,820.22 and 230,099.22

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Solution

The fourth proportional to 315,717.84, 472,820.22 and 230,099.22 is: 344,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,717.84 : 472,820.22 = 230,099.22 : x
  2. Step 2: Convert to fraction form
    315,717.84/472,820.22 = 230,099.22/x
  3. Step 3: Cross multiply
    315,717.84x = 472,820.22 × 230,099.22
  4. Step 4: Simplify right side
    315,717.84x = 108,795,563,822.23
  5. Step 5: Solve for x
    x = 108,795,563,822.23/315,717.84
  6. Step 6: Final answer
    x = 344,597.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.