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Finding the Fourth Proportional to 602,596.64, 831,972.91 and 373,397.15

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Solution

The fourth proportional to 602,596.64, 831,972.91 and 373,397.15 is: 515,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,596.64 : 831,972.91 = 373,397.15 : x
  2. Step 2: Convert to fraction form
    602,596.64/831,972.91 = 373,397.15/x
  3. Step 3: Cross multiply
    602,596.64x = 831,972.91 × 373,397.15
  4. Step 4: Simplify right side
    602,596.64x = 310,656,309,311.34
  5. Step 5: Solve for x
    x = 310,656,309,311.34/602,596.64
  6. Step 6: Final answer
    x = 515,529.45

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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.