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Finding the Fourth Proportional to 893,733.40, 1,340,600.10 and 788,757.40

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Solution

The fourth proportional to 893,733.40, 1,340,600.10 and 788,757.40 is: 1,183,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,733.40 : 1,340,600.10 = 788,757.40 : x
  2. Step 2: Convert to fraction form
    893,733.40/1,340,600.10 = 788,757.40/x
  3. Step 3: Cross multiply
    893,733.40x = 1,340,600.10 × 788,757.40
  4. Step 4: Simplify right side
    893,733.40x = 1,057,408,249,315.74
  5. Step 5: Solve for x
    x = 1,057,408,249,315.74/893,733.40
  6. Step 6: Final answer
    x = 1,183,136.10

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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.