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Finding the Fourth Proportional to 341,530.20, 471,091.74 and 207,394.20

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Solution

The fourth proportional to 341,530.20, 471,091.74 and 207,394.20 is: 286,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,530.20 : 471,091.74 = 207,394.20 : x
  2. Step 2: Convert to fraction form
    341,530.20/471,091.74 = 207,394.20/x
  3. Step 3: Cross multiply
    341,530.20x = 471,091.74 × 207,394.20
  4. Step 4: Simplify right side
    341,530.20x = 97,701,694,543.91
  5. Step 5: Solve for x
    x = 97,701,694,543.91/341,530.20
  6. Step 6: Final answer
    x = 286,070.44

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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.