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Finding the Fourth Proportional to 602,999.04, 832,135 and 331,071.80

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Solution

The fourth proportional to 602,999.04, 832,135 and 331,071.80 is: 456,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,999.04 : 832,135 = 331,071.80 : x
  2. Step 2: Convert to fraction form
    602,999.04/832,135 = 331,071.80/x
  3. Step 3: Cross multiply
    602,999.04x = 832,135 × 331,071.80
  4. Step 4: Simplify right side
    602,999.04x = 275,496,432,293
  5. Step 5: Solve for x
    x = 275,496,432,293/602,999.04
  6. Step 6: Final answer
    x = 456,877.07

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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.