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Finding the Fourth Proportional to 602,372.35, 903,995.52 and 485,455.33

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Solution

The fourth proportional to 602,372.35, 903,995.52 and 485,455.33 is: 728,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,372.35 : 903,995.52 = 485,455.33 : x
  2. Step 2: Convert to fraction form
    602,372.35/903,995.52 = 485,455.33/x
  3. Step 3: Cross multiply
    602,372.35x = 903,995.52 × 485,455.33
  4. Step 4: Simplify right side
    602,372.35x = 438,849,443,480.12
  5. Step 5: Solve for x
    x = 438,849,443,480.12/602,372.35
  6. Step 6: Final answer
    x = 728,535.17

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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.