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Finding the Fourth Proportional to 341,375.15, 512,210.34 and 130,963.88

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Solution

The fourth proportional to 341,375.15, 512,210.34 and 130,963.88 is: 196,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,375.15 : 512,210.34 = 130,963.88 : x
  2. Step 2: Convert to fraction form
    341,375.15/512,210.34 = 130,963.88/x
  3. Step 3: Cross multiply
    341,375.15x = 512,210.34 × 130,963.88
  4. Step 4: Simplify right side
    341,375.15x = 67,081,050,941.47
  5. Step 5: Solve for x
    x = 67,081,050,941.47/341,375.15
  6. Step 6: Final answer
    x = 196,502.45

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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.