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Finding the Fourth Proportional to 416,836.70, 575,263.41 and 253,556.90

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Solution

The fourth proportional to 416,836.70, 575,263.41 and 253,556.90 is: 349,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,836.70 : 575,263.41 = 253,556.90 : x
  2. Step 2: Convert to fraction form
    416,836.70/575,263.41 = 253,556.90/x
  3. Step 3: Cross multiply
    416,836.70x = 575,263.41 × 253,556.90
  4. Step 4: Simplify right side
    416,836.70x = 145,862,006,923.03
  5. Step 5: Solve for x
    x = 145,862,006,923.03/416,836.70
  6. Step 6: Final answer
    x = 349,926.02

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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.