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Finding the Fourth Proportional to 671,926.22, 927,258.23 and 370,120.22

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Solution

The fourth proportional to 671,926.22, 927,258.23 and 370,120.22 is: 510,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,926.22 : 927,258.23 = 370,120.22 : x
  2. Step 2: Convert to fraction form
    671,926.22/927,258.23 = 370,120.22/x
  3. Step 3: Cross multiply
    671,926.22x = 927,258.23 × 370,120.22
  4. Step 4: Simplify right side
    671,926.22x = 343,197,019,850.64
  5. Step 5: Solve for x
    x = 343,197,019,850.64/671,926.22
  6. Step 6: Final answer
    x = 510,765.93

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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.