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Finding the Fourth Proportional to 602,409.06, 831,262.68 and 360,685.44

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Solution

The fourth proportional to 602,409.06, 831,262.68 and 360,685.44 is: 497,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,409.06 : 831,262.68 = 360,685.44 : x
  2. Step 2: Convert to fraction form
    602,409.06/831,262.68 = 360,685.44/x
  3. Step 3: Cross multiply
    602,409.06x = 831,262.68 × 360,685.44
  4. Step 4: Simplify right side
    602,409.06x = 299,824,345,491.38
  5. Step 5: Solve for x
    x = 299,824,345,491.38/602,409.06
  6. Step 6: Final answer
    x = 497,708.89

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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.