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Finding the Fourth Proportional to 893,811.10, 1,340,716.65 and 736,347.10

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Solution

The fourth proportional to 893,811.10, 1,340,716.65 and 736,347.10 is: 1,104,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,811.10 : 1,340,716.65 = 736,347.10 : x
  2. Step 2: Convert to fraction form
    893,811.10/1,340,716.65 = 736,347.10/x
  3. Step 3: Cross multiply
    893,811.10x = 1,340,716.65 × 736,347.10
  4. Step 4: Simplify right side
    893,811.10x = 987,232,817,149.22
  5. Step 5: Solve for x
    x = 987,232,817,149.22/893,811.10
  6. Step 6: Final answer
    x = 1,104,520.65

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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.