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Finding the Fourth Proportional to 503,792.38, 695,259.21 and 286,016.32

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Solution

The fourth proportional to 503,792.38, 695,259.21 and 286,016.32 is: 394,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,792.38 : 695,259.21 = 286,016.32 : x
  2. Step 2: Convert to fraction form
    503,792.38/695,259.21 = 286,016.32/x
  3. Step 3: Cross multiply
    503,792.38x = 695,259.21 × 286,016.32
  4. Step 4: Simplify right side
    503,792.38x = 198,855,480,690.31
  5. Step 5: Solve for x
    x = 198,855,480,690.31/503,792.38
  6. Step 6: Final answer
    x = 394,717.13

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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.