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Finding the Fourth Proportional to 503,638.88, 695,025.84 and 274,197.74

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Solution

The fourth proportional to 503,638.88, 695,025.84 and 274,197.74 is: 378,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,638.88 : 695,025.84 = 274,197.74 : x
  2. Step 2: Convert to fraction form
    503,638.88/695,025.84 = 274,197.74/x
  3. Step 3: Cross multiply
    503,638.88x = 695,025.84 × 274,197.74
  4. Step 4: Simplify right side
    503,638.88x = 190,574,514,569.60
  5. Step 5: Solve for x
    x = 190,574,514,569.60/503,638.88
  6. Step 6: Final answer
    x = 378,395.16

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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.