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Finding the Fourth Proportional to 602,564.52, 831,612.84 and 347,915.16

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Solution

The fourth proportional to 602,564.52, 831,612.84 and 347,915.16 is: 480,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,564.52 : 831,612.84 = 347,915.16 : x
  2. Step 2: Convert to fraction form
    602,564.52/831,612.84 = 347,915.16/x
  3. Step 3: Cross multiply
    602,564.52x = 831,612.84 × 347,915.16
  4. Step 4: Simplify right side
    602,564.52x = 289,330,714,286.65
  5. Step 5: Solve for x
    x = 289,330,714,286.65/602,564.52
  6. Step 6: Final answer
    x = 480,165.53

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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.