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Finding the Fourth Proportional to 358,833, 495,212.22 and 197,688.36

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Solution

The fourth proportional to 358,833, 495,212.22 and 197,688.36 is: 272,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,833 : 495,212.22 = 197,688.36 : x
  2. Step 2: Convert to fraction form
    358,833/495,212.22 = 197,688.36/x
  3. Step 3: Cross multiply
    358,833x = 495,212.22 × 197,688.36
  4. Step 4: Simplify right side
    358,833x = 97,897,691,623.76
  5. Step 5: Solve for x
    x = 97,897,691,623.76/358,833
  6. Step 6: Final answer
    x = 272,822.43

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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.