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Finding the Fourth Proportional to 374,414.51, 516,620.35 and 213,266.03

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Solution

The fourth proportional to 374,414.51, 516,620.35 and 213,266.03 is: 294,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,414.51 : 516,620.35 = 213,266.03 : x
  2. Step 2: Convert to fraction form
    374,414.51/516,620.35 = 213,266.03/x
  3. Step 3: Cross multiply
    374,414.51x = 516,620.35 × 213,266.03
  4. Step 4: Simplify right side
    374,414.51x = 110,177,571,061.71
  5. Step 5: Solve for x
    x = 110,177,571,061.71/374,414.51
  6. Step 6: Final answer
    x = 294,266.30

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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.