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Finding the Fourth Proportional to 369,772.80, 553,492.80 and 264,796.80

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Solution

The fourth proportional to 369,772.80, 553,492.80 and 264,796.80 is: 396,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,772.80 : 553,492.80 = 264,796.80 : x
  2. Step 2: Convert to fraction form
    369,772.80/553,492.80 = 264,796.80/x
  3. Step 3: Cross multiply
    369,772.80x = 553,492.80 × 264,796.80
  4. Step 4: Simplify right side
    369,772.80x = 146,563,122,263.04
  5. Step 5: Solve for x
    x = 146,563,122,263.04/369,772.80
  6. Step 6: Final answer
    x = 396,359.93

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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.