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Finding the Fourth Proportional to 346,297.28, 477,897.71 and 191,248.09

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Solution

The fourth proportional to 346,297.28, 477,897.71 and 191,248.09 is: 263,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,297.28 : 477,897.71 = 191,248.09 : x
  2. Step 2: Convert to fraction form
    346,297.28/477,897.71 = 191,248.09/x
  3. Step 3: Cross multiply
    346,297.28x = 477,897.71 × 191,248.09
  4. Step 4: Simplify right side
    346,297.28x = 91,397,022,101.89
  5. Step 5: Solve for x
    x = 91,397,022,101.89/346,297.28
  6. Step 6: Final answer
    x = 263,926.48

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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.