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Finding the Fourth Proportional to 414,941.00, 572,862.60 and 391,026.15

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Solution

The fourth proportional to 414,941.00, 572,862.60 and 391,026.15 is: 539,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,941.00 : 572,862.60 = 391,026.15 : x
  2. Step 2: Convert to fraction form
    414,941.00/572,862.60 = 391,026.15/x
  3. Step 3: Cross multiply
    414,941.00x = 572,862.60 × 391,026.15
  4. Step 4: Simplify right side
    414,941.00x = 224,004,256,956.99
  5. Step 5: Solve for x
    x = 224,004,256,956.99/414,941.00
  6. Step 6: Final answer
    x = 539,846.05

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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.