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Finding the Fourth Proportional to 341,933, 471,858.90 and 191,031.08

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Solution

The fourth proportional to 341,933, 471,858.90 and 191,031.08 is: 263,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,933 : 471,858.90 = 191,031.08 : x
  2. Step 2: Convert to fraction form
    341,933/471,858.90 = 191,031.08/x
  3. Step 3: Cross multiply
    341,933x = 471,858.90 × 191,031.08
  4. Step 4: Simplify right side
    341,933x = 90,139,715,274.61
  5. Step 5: Solve for x
    x = 90,139,715,274.61/341,933
  6. Step 6: Final answer
    x = 263,618.06

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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.