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Finding the Fourth Proportional to 602,447.96, 831,291.90 and 360,672.68

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Solution

The fourth proportional to 602,447.96, 831,291.90 and 360,672.68 is: 497,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,447.96 : 831,291.90 = 360,672.68 : x
  2. Step 2: Convert to fraction form
    602,447.96/831,291.90 = 360,672.68/x
  3. Step 3: Cross multiply
    602,447.96x = 831,291.90 × 360,672.68
  4. Step 4: Simplify right side
    602,447.96x = 299,824,277,435.29
  5. Step 5: Solve for x
    x = 299,824,277,435.29/602,447.96
  6. Step 6: Final answer
    x = 497,676.64

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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.