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Finding the Fourth Proportional to 446,618.16, 616,360.62 and 255,627.18

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Solution

The fourth proportional to 446,618.16, 616,360.62 and 255,627.18 is: 352,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,618.16 : 616,360.62 = 255,627.18 : x
  2. Step 2: Convert to fraction form
    446,618.16/616,360.62 = 255,627.18/x
  3. Step 3: Cross multiply
    446,618.16x = 616,360.62 × 255,627.18
  4. Step 4: Simplify right side
    446,618.16x = 157,558,527,153.65
  5. Step 5: Solve for x
    x = 157,558,527,153.65/446,618.16
  6. Step 6: Final answer
    x = 352,781.28

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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.