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Finding the Fourth Proportional to 454,000.60, 679,772.10 and 355,696.60

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Solution

The fourth proportional to 454,000.60, 679,772.10 and 355,696.60 is: 532,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,000.60 : 679,772.10 = 355,696.60 : x
  2. Step 2: Convert to fraction form
    454,000.60/679,772.10 = 355,696.60/x
  3. Step 3: Cross multiply
    454,000.60x = 679,772.10 × 355,696.60
  4. Step 4: Simplify right side
    454,000.60x = 241,792,624,744.86
  5. Step 5: Solve for x
    x = 241,792,624,744.86/454,000.60
  6. Step 6: Final answer
    x = 532,582.17

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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.