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Finding the Fourth Proportional to 358,762.50, 495,092.25 and 197,617.05

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Solution

The fourth proportional to 358,762.50, 495,092.25 and 197,617.05 is: 272,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,762.50 : 495,092.25 = 197,617.05 : x
  2. Step 2: Convert to fraction form
    358,762.50/495,092.25 = 197,617.05/x
  3. Step 3: Cross multiply
    358,762.50x = 495,092.25 × 197,617.05
  4. Step 4: Simplify right side
    358,762.50x = 97,838,669,922.86
  5. Step 5: Solve for x
    x = 97,838,669,922.86/358,762.50
  6. Step 6: Final answer
    x = 272,711.53

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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.