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Finding the Fourth Proportional to 363,192.48, 500,792.40 and 255,728.16

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Solution

The fourth proportional to 363,192.48, 500,792.40 and 255,728.16 is: 352,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,192.48 : 500,792.40 = 255,728.16 : x
  2. Step 2: Convert to fraction form
    363,192.48/500,792.40 = 255,728.16/x
  3. Step 3: Cross multiply
    363,192.48x = 500,792.40 × 255,728.16
  4. Step 4: Simplify right side
    363,192.48x = 128,066,718,993.98
  5. Step 5: Solve for x
    x = 128,066,718,993.98/363,192.48
  6. Step 6: Final answer
    x = 352,613.91

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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.