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Finding the Fourth Proportional to 603,055.21, 832,243.33 and 361,332.59

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Solution

The fourth proportional to 603,055.21, 832,243.33 and 361,332.59 is: 498,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,055.21 : 832,243.33 = 361,332.59 : x
  2. Step 2: Convert to fraction form
    603,055.21/832,243.33 = 361,332.59/x
  3. Step 3: Cross multiply
    603,055.21x = 832,243.33 × 361,332.59
  4. Step 4: Simplify right side
    603,055.21x = 300,716,637,011.74
  5. Step 5: Solve for x
    x = 300,716,637,011.74/603,055.21
  6. Step 6: Final answer
    x = 498,655.24

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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.