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Finding the Fourth Proportional to 602,905.68, 903,182.94 and 335,862.05

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Solution

The fourth proportional to 602,905.68, 903,182.94 and 335,862.05 is: 503,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,905.68 : 903,182.94 = 335,862.05 : x
  2. Step 2: Convert to fraction form
    602,905.68/903,182.94 = 335,862.05/x
  3. Step 3: Cross multiply
    602,905.68x = 903,182.94 × 335,862.05
  4. Step 4: Simplify right side
    602,905.68x = 303,344,869,237.51
  5. Step 5: Solve for x
    x = 303,344,869,237.51/602,905.68
  6. Step 6: Final answer
    x = 503,138.18

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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.