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Finding the Fourth Proportional to 358,842.15, 495,224.54 and 197,697.17

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Solution

The fourth proportional to 358,842.15, 495,224.54 and 197,697.17 is: 272,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,842.15 : 495,224.54 = 197,697.17 : x
  2. Step 2: Convert to fraction form
    358,842.15/495,224.54 = 197,697.17/x
  3. Step 3: Cross multiply
    358,842.15x = 495,224.54 × 197,697.17
  4. Step 4: Simplify right side
    358,842.15x = 97,904,486,607.94
  5. Step 5: Solve for x
    x = 97,904,486,607.94/358,842.15
  6. Step 6: Final answer
    x = 272,834.41

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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.