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Finding the Fourth Proportional to 622,850.71, 934,275.90 and 356,422.89

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Solution

The fourth proportional to 622,850.71, 934,275.90 and 356,422.89 is: 534,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,850.71 : 934,275.90 = 356,422.89 : x
  2. Step 2: Convert to fraction form
    622,850.71/934,275.90 = 356,422.89/x
  3. Step 3: Cross multiply
    622,850.71x = 934,275.90 × 356,422.89
  4. Step 4: Simplify right side
    622,850.71x = 332,997,316,335.35
  5. Step 5: Solve for x
    x = 332,997,316,335.35/622,850.71
  6. Step 6: Final answer
    x = 534,634.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.