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Finding the Fourth Proportional to 602,599.62, 831,977.03 and 373,400.13

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Solution

The fourth proportional to 602,599.62, 831,977.03 and 373,400.13 is: 515,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,599.62 : 831,977.03 = 373,400.13 : x
  2. Step 2: Convert to fraction form
    602,599.62/831,977.03 = 373,400.13/x
  3. Step 3: Cross multiply
    602,599.62x = 831,977.03 × 373,400.13
  4. Step 4: Simplify right side
    602,599.62x = 310,660,331,159.01
  5. Step 5: Solve for x
    x = 310,660,331,159.01/602,599.62
  6. Step 6: Final answer
    x = 515,533.57

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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.