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Finding the Fourth Proportional to 446,608.76, 616,347.64 and 255,618.06

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Solution

The fourth proportional to 446,608.76, 616,347.64 and 255,618.06 is: 352,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,608.76 : 616,347.64 = 255,618.06 : x
  2. Step 2: Convert to fraction form
    446,608.76/616,347.64 = 255,618.06/x
  3. Step 3: Cross multiply
    446,608.76x = 616,347.64 × 255,618.06
  4. Step 4: Simplify right side
    446,608.76x = 157,549,588,022.38
  5. Step 5: Solve for x
    x = 157,549,588,022.38/446,608.76
  6. Step 6: Final answer
    x = 352,768.69

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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.