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Finding the Fourth Proportional to 945,603.80, 1,418,405.70 and 833,410.70

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Solution

The fourth proportional to 945,603.80, 1,418,405.70 and 833,410.70 is: 1,250,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,603.80 : 1,418,405.70 = 833,410.70 : x
  2. Step 2: Convert to fraction form
    945,603.80/1,418,405.70 = 833,410.70/x
  3. Step 3: Cross multiply
    945,603.80x = 1,418,405.70 × 833,410.70
  4. Step 4: Simplify right side
    945,603.80x = 1,182,114,487,320.99
  5. Step 5: Solve for x
    x = 1,182,114,487,320.99/945,603.80
  6. Step 6: Final answer
    x = 1,250,116.05

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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.