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Finding the Fourth Proportional to 416,868.47, 575,066.30 and 263,649.07

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Solution

The fourth proportional to 416,868.47, 575,066.30 and 263,649.07 is: 363,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,868.47 : 575,066.30 = 263,649.07 : x
  2. Step 2: Convert to fraction form
    416,868.47/575,066.30 = 263,649.07/x
  3. Step 3: Cross multiply
    416,868.47x = 575,066.30 × 263,649.07
  4. Step 4: Simplify right side
    416,868.47x = 151,615,694,404.80
  5. Step 5: Solve for x
    x = 151,615,694,404.80/416,868.47
  6. Step 6: Final answer
    x = 363,701.52

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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.