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Finding the Fourth Proportional to 331,407.70, 497,111.55 and 295,465.30

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Solution

The fourth proportional to 331,407.70, 497,111.55 and 295,465.30 is: 443,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,407.70 : 497,111.55 = 295,465.30 : x
  2. Step 2: Convert to fraction form
    331,407.70/497,111.55 = 295,465.30/x
  3. Step 3: Cross multiply
    331,407.70x = 497,111.55 × 295,465.30
  4. Step 4: Simplify right side
    331,407.70x = 146,879,213,254.22
  5. Step 5: Solve for x
    x = 146,879,213,254.22/331,407.70
  6. Step 6: Final answer
    x = 443,197.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.