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Finding the Fourth Proportional to 416,780.66, 575,149.38 and 233,018.48

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Solution

The fourth proportional to 416,780.66, 575,149.38 and 233,018.48 is: 321,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,780.66 : 575,149.38 = 233,018.48 : x
  2. Step 2: Convert to fraction form
    416,780.66/575,149.38 = 233,018.48/x
  3. Step 3: Cross multiply
    416,780.66x = 575,149.38 × 233,018.48
  4. Step 4: Simplify right side
    416,780.66x = 134,020,434,300.54
  5. Step 5: Solve for x
    x = 134,020,434,300.54/416,780.66
  6. Step 6: Final answer
    x = 321,561.07

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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.