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Finding the Fourth Proportional to 346,417.56, 477,791.46 and 239,167.08

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Solution

The fourth proportional to 346,417.56, 477,791.46 and 239,167.08 is: 329,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,417.56 : 477,791.46 = 239,167.08 : x
  2. Step 2: Convert to fraction form
    346,417.56/477,791.46 = 239,167.08/x
  3. Step 3: Cross multiply
    346,417.56x = 477,791.46 × 239,167.08
  4. Step 4: Simplify right side
    346,417.56x = 114,271,988,337.14
  5. Step 5: Solve for x
    x = 114,271,988,337.14/346,417.56
  6. Step 6: Final answer
    x = 329,867.77

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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.