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Finding the Fourth Proportional to 704,517.92, 1,055,150 and 423,415.84

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Solution

The fourth proportional to 704,517.92, 1,055,150 and 423,415.84 is: 634,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,517.92 : 1,055,150 = 423,415.84 : x
  2. Step 2: Convert to fraction form
    704,517.92/1,055,150 = 423,415.84/x
  3. Step 3: Cross multiply
    704,517.92x = 1,055,150 × 423,415.84
  4. Step 4: Simplify right side
    704,517.92x = 446,767,223,576
  5. Step 5: Solve for x
    x = 446,767,223,576/704,517.92
  6. Step 6: Final answer
    x = 634,146.00

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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.