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Finding the Fourth Proportional to 893,630.40, 1,248,283.20 and 893,630.40

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Solution

The fourth proportional to 893,630.40, 1,248,283.20 and 893,630.40 is: 1,248,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,630.40 : 1,248,283.20 = 893,630.40 : x
  2. Step 2: Convert to fraction form
    893,630.40/1,248,283.20 = 893,630.40/x
  3. Step 3: Cross multiply
    893,630.40x = 1,248,283.20 × 893,630.40
  4. Step 4: Simplify right side
    893,630.40x = 1,115,503,815,329.28
  5. Step 5: Solve for x
    x = 1,115,503,815,329.28/893,630.40
  6. Step 6: Final answer
    x = 1,248,283.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.