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Finding the Fourth Proportional to 346,097.90, 477,615.21 and 191,049.29

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Solution

The fourth proportional to 346,097.90, 477,615.21 and 191,049.29 is: 263,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,097.90 : 477,615.21 = 191,049.29 : x
  2. Step 2: Convert to fraction form
    346,097.90/477,615.21 = 191,049.29/x
  3. Step 3: Cross multiply
    346,097.90x = 477,615.21 × 191,049.29
  4. Step 4: Simplify right side
    346,097.90x = 91,248,045,450.25
  5. Step 5: Solve for x
    x = 91,248,045,450.25/346,097.90
  6. Step 6: Final answer
    x = 263,648.07

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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.