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Finding the Fourth Proportional to 602,187.93, 831,056.13 and 347,555.52

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Solution

The fourth proportional to 602,187.93, 831,056.13 and 347,555.52 is: 479,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,187.93 : 831,056.13 = 347,555.52 : x
  2. Step 2: Convert to fraction form
    602,187.93/831,056.13 = 347,555.52/x
  3. Step 3: Cross multiply
    602,187.93x = 831,056.13 × 347,555.52
  4. Step 4: Simplify right side
    602,187.93x = 288,838,145,411.34
  5. Step 5: Solve for x
    x = 288,838,145,411.34/602,187.93
  6. Step 6: Final answer
    x = 479,647.85

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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.