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Finding the Fourth Proportional to 603,320.53, 832,727.33 and 345,347.02

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Solution

The fourth proportional to 603,320.53, 832,727.33 and 345,347.02 is: 476,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,320.53 : 832,727.33 = 345,347.02 : x
  2. Step 2: Convert to fraction form
    603,320.53/832,727.33 = 345,347.02/x
  3. Step 3: Cross multiply
    603,320.53x = 832,727.33 × 345,347.02
  4. Step 4: Simplify right side
    603,320.53x = 287,579,901,888.06
  5. Step 5: Solve for x
    x = 287,579,901,888.06/603,320.53
  6. Step 6: Final answer
    x = 476,661.89

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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.