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Finding the Fourth Proportional to 341,387.80, 512,081.70 and 104,730.10

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Solution

The fourth proportional to 341,387.80, 512,081.70 and 104,730.10 is: 157,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,387.80 : 512,081.70 = 104,730.10 : x
  2. Step 2: Convert to fraction form
    341,387.80/512,081.70 = 104,730.10/x
  3. Step 3: Cross multiply
    341,387.80x = 512,081.70 × 104,730.10
  4. Step 4: Simplify right side
    341,387.80x = 53,630,367,649.17
  5. Step 5: Solve for x
    x = 53,630,367,649.17/341,387.80
  6. Step 6: Final answer
    x = 157,095.15

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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.