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Finding the Fourth Proportional to 341,497.57, 512,271.12 and 131,135.51

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Solution

The fourth proportional to 341,497.57, 512,271.12 and 131,135.51 is: 196,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,497.57 : 512,271.12 = 131,135.51 : x
  2. Step 2: Convert to fraction form
    341,497.57/512,271.12 = 131,135.51/x
  3. Step 3: Cross multiply
    341,497.57x = 512,271.12 × 131,135.51
  4. Step 4: Simplify right side
    341,497.57x = 67,176,934,579.47
  5. Step 5: Solve for x
    x = 67,176,934,579.47/341,497.57
  6. Step 6: Final answer
    x = 196,712.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.