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Finding the Fourth Proportional to 4,995,787.48, 7,493,700.66 and 1,209,264.28

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Solution

The fourth proportional to 4,995,787.48, 7,493,700.66 and 1,209,264.28 is: 1,813,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995,787.48 : 7,493,700.66 = 1,209,264.28 : x
  2. Step 2: Convert to fraction form
    4,995,787.48/7,493,700.66 = 1,209,264.28/x
  3. Step 3: Cross multiply
    4,995,787.48x = 7,493,700.66 × 1,209,264.28
  4. Step 4: Simplify right side
    4,995,787.48x = 9,061,864,533,150.43
  5. Step 5: Solve for x
    x = 9,061,864,533,150.43/4,995,787.48
  6. Step 6: Final answer
    x = 1,813,901.13

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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.