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Finding the Fourth Proportional to 988,869.60, 1,483,304.40 and 882,581.40

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Solution

The fourth proportional to 988,869.60, 1,483,304.40 and 882,581.40 is: 1,323,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,869.60 : 1,483,304.40 = 882,581.40 : x
  2. Step 2: Convert to fraction form
    988,869.60/1,483,304.40 = 882,581.40/x
  3. Step 3: Cross multiply
    988,869.60x = 1,483,304.40 × 882,581.40
  4. Step 4: Simplify right side
    988,869.60x = 1,309,136,873,978.16
  5. Step 5: Solve for x
    x = 1,309,136,873,978.16/988,869.60
  6. Step 6: Final answer
    x = 1,323,872.10

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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.