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Finding the Fourth Proportional to 423,559.92, 631,603.50 and 364,773.36

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Solution

The fourth proportional to 423,559.92, 631,603.50 and 364,773.36 is: 543,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,559.92 : 631,603.50 = 364,773.36 : x
  2. Step 2: Convert to fraction form
    423,559.92/631,603.50 = 364,773.36/x
  3. Step 3: Cross multiply
    423,559.92x = 631,603.50 × 364,773.36
  4. Step 4: Simplify right side
    423,559.92x = 230,392,130,882.76
  5. Step 5: Solve for x
    x = 230,392,130,882.76/423,559.92
  6. Step 6: Final answer
    x = 543,942.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.