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Finding the Fourth Proportional to 346,418.06, 477,792.15 and 239,167.58

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Solution

The fourth proportional to 346,418.06, 477,792.15 and 239,167.58 is: 329,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,418.06 : 477,792.15 = 239,167.58 : x
  2. Step 2: Convert to fraction form
    346,418.06/477,792.15 = 239,167.58/x
  3. Step 3: Cross multiply
    346,418.06x = 477,792.15 × 239,167.58
  4. Step 4: Simplify right side
    346,418.06x = 114,272,392,258.50
  5. Step 5: Solve for x
    x = 114,272,392,258.50/346,418.06
  6. Step 6: Final answer
    x = 329,868.46

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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.