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Finding the Fourth Proportional to 346,954.89, 478,651.14 and 232,270.48

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Solution

The fourth proportional to 346,954.89, 478,651.14 and 232,270.48 is: 320,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,954.89 : 478,651.14 = 232,270.48 : x
  2. Step 2: Convert to fraction form
    346,954.89/478,651.14 = 232,270.48/x
  3. Step 3: Cross multiply
    346,954.89x = 478,651.14 × 232,270.48
  4. Step 4: Simplify right side
    346,954.89x = 111,176,530,040.35
  5. Step 5: Solve for x
    x = 111,176,530,040.35/346,954.89
  6. Step 6: Final answer
    x = 320,435.11

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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.