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Finding the Fourth Proportional to 342,348.15, 472,475.77 and 197,158.69

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Solution

The fourth proportional to 342,348.15, 472,475.77 and 197,158.69 is: 272,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,348.15 : 472,475.77 = 197,158.69 : x
  2. Step 2: Convert to fraction form
    342,348.15/472,475.77 = 197,158.69/x
  3. Step 3: Cross multiply
    342,348.15x = 472,475.77 × 197,158.69
  4. Step 4: Simplify right side
    342,348.15x = 93,152,703,967.64
  5. Step 5: Solve for x
    x = 93,152,703,967.64/342,348.15
  6. Step 6: Final answer
    x = 272,099.33

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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.