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Finding the Fourth Proportional to 608,946.80, 913,549.80 and 188,265.20

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Solution

The fourth proportional to 608,946.80, 913,549.80 and 188,265.20 is: 282,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,946.80 : 913,549.80 = 188,265.20 : x
  2. Step 2: Convert to fraction form
    608,946.80/913,549.80 = 188,265.20/x
  3. Step 3: Cross multiply
    608,946.80x = 913,549.80 × 188,265.20
  4. Step 4: Simplify right side
    608,946.80x = 171,989,635,806.96
  5. Step 5: Solve for x
    x = 171,989,635,806.96/608,946.80
  6. Step 6: Final answer
    x = 282,437.87

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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.