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Finding the Fourth Proportional to 342,506.10, 472,346.22 and 294,092.91

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Solution

The fourth proportional to 342,506.10, 472,346.22 and 294,092.91 is: 405,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,506.10 : 472,346.22 = 294,092.91 : x
  2. Step 2: Convert to fraction form
    342,506.10/472,346.22 = 294,092.91/x
  3. Step 3: Cross multiply
    342,506.10x = 472,346.22 × 294,092.91
  4. Step 4: Simplify right side
    342,506.10x = 138,913,674,367.30
  5. Step 5: Solve for x
    x = 138,913,674,367.30/342,506.10
  6. Step 6: Final answer
    x = 405,580.15

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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.