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Finding the Fourth Proportional to 988,855.34, 1,480,863.81 and 893,009.03

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Solution

The fourth proportional to 988,855.34, 1,480,863.81 and 893,009.03 is: 1,337,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,855.34 : 1,480,863.81 = 893,009.03 : x
  2. Step 2: Convert to fraction form
    988,855.34/1,480,863.81 = 893,009.03/x
  3. Step 3: Cross multiply
    988,855.34x = 1,480,863.81 × 893,009.03
  4. Step 4: Simplify right side
    988,855.34x = 1,322,424,754,530.20
  5. Step 5: Solve for x
    x = 1,322,424,754,530.20/988,855.34
  6. Step 6: Final answer
    x = 1,337,328.83

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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.