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Finding the Fourth Proportional to 484,549.60, 726,856.80 and 164,696.80

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Solution

The fourth proportional to 484,549.60, 726,856.80 and 164,696.80 is: 247,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,549.60 : 726,856.80 = 164,696.80 : x
  2. Step 2: Convert to fraction form
    484,549.60/726,856.80 = 164,696.80/x
  3. Step 3: Cross multiply
    484,549.60x = 726,856.80 × 164,696.80
  4. Step 4: Simplify right side
    484,549.60x = 119,710,989,018.24
  5. Step 5: Solve for x
    x = 119,710,989,018.24/484,549.60
  6. Step 6: Final answer
    x = 247,056.21

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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.