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Finding the Fourth Proportional to 628,009.13, 866,644.44 and 341,523.07

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Solution

The fourth proportional to 628,009.13, 866,644.44 and 341,523.07 is: 471,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,009.13 : 866,644.44 = 341,523.07 : x
  2. Step 2: Convert to fraction form
    628,009.13/866,644.44 = 341,523.07/x
  3. Step 3: Cross multiply
    628,009.13x = 866,644.44 × 341,523.07
  4. Step 4: Simplify right side
    628,009.13x = 295,979,069,747.23
  5. Step 5: Solve for x
    x = 295,979,069,747.23/628,009.13
  6. Step 6: Final answer
    x = 471,297.40

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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.