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Finding the Fourth Proportional to 358,847.22, 495,206.76 and 197,698.50

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Solution

The fourth proportional to 358,847.22, 495,206.76 and 197,698.50 is: 272,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,847.22 : 495,206.76 = 197,698.50 : x
  2. Step 2: Convert to fraction form
    358,847.22/495,206.76 = 197,698.50/x
  3. Step 3: Cross multiply
    358,847.22x = 495,206.76 × 197,698.50
  4. Step 4: Simplify right side
    358,847.22x = 97,901,633,641.86
  5. Step 5: Solve for x
    x = 97,901,633,641.86/358,847.22
  6. Step 6: Final answer
    x = 272,822.61

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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.