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Finding the Fourth Proportional to 434,963.46, 652,922.46 and 345,580.72

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Solution

The fourth proportional to 434,963.46, 652,922.46 and 345,580.72 is: 518,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,963.46 : 652,922.46 = 345,580.72 : x
  2. Step 2: Convert to fraction form
    434,963.46/652,922.46 = 345,580.72/x
  3. Step 3: Cross multiply
    434,963.46x = 652,922.46 × 345,580.72
  4. Step 4: Simplify right side
    434,963.46x = 225,637,413,830.97
  5. Step 5: Solve for x
    x = 225,637,413,830.97/434,963.46
  6. Step 6: Final answer
    x = 518,750.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.