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Finding the Fourth Proportional to 1,602,885.04, 2,211,981.36 and 923,865.28

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Solution

The fourth proportional to 1,602,885.04, 2,211,981.36 and 923,865.28 is: 1,274,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,885.04 : 2,211,981.36 = 923,865.28 : x
  2. Step 2: Convert to fraction form
    1,602,885.04/2,211,981.36 = 923,865.28/x
  3. Step 3: Cross multiply
    1,602,885.04x = 2,211,981.36 × 923,865.28
  4. Step 4: Simplify right side
    1,602,885.04x = 2,043,572,778,511.18
  5. Step 5: Solve for x
    x = 2,043,572,778,511.18/1,602,885.04
  6. Step 6: Final answer
    x = 1,274,934.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.