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Finding the Fourth Proportional to 662,803.60, 993,946.20 and 241,862.80

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Solution

The fourth proportional to 662,803.60, 993,946.20 and 241,862.80 is: 362,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,803.60 : 993,946.20 = 241,862.80 : x
  2. Step 2: Convert to fraction form
    662,803.60/993,946.20 = 241,862.80/x
  3. Step 3: Cross multiply
    662,803.60x = 993,946.20 × 241,862.80
  4. Step 4: Simplify right side
    662,803.60x = 240,398,610,981.36
  5. Step 5: Solve for x
    x = 240,398,610,981.36/662,803.60
  6. Step 6: Final answer
    x = 362,699.62

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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.