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Finding the Fourth Proportional to 358,845.84, 495,204.72 and 197,697.12

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Solution

The fourth proportional to 358,845.84, 495,204.72 and 197,697.12 is: 272,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,845.84 : 495,204.72 = 197,697.12 : x
  2. Step 2: Convert to fraction form
    358,845.84/495,204.72 = 197,697.12/x
  3. Step 3: Cross multiply
    358,845.84x = 495,204.72 × 197,697.12
  4. Step 4: Simplify right side
    358,845.84x = 97,900,546,954.41
  5. Step 5: Solve for x
    x = 97,900,546,954.41/358,845.84
  6. Step 6: Final answer
    x = 272,820.63

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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.