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Finding the Fourth Proportional to 346,108.48, 477,845.92 and 265,380.84

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Solution

The fourth proportional to 346,108.48, 477,845.92 and 265,380.84 is: 366,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,108.48 : 477,845.92 = 265,380.84 : x
  2. Step 2: Convert to fraction form
    346,108.48/477,845.92 = 265,380.84/x
  3. Step 3: Cross multiply
    346,108.48x = 477,845.92 × 265,380.84
  4. Step 4: Simplify right side
    346,108.48x = 126,811,151,640.17
  5. Step 5: Solve for x
    x = 126,811,151,640.17/346,108.48
  6. Step 6: Final answer
    x = 366,391.35

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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.