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Finding the Fourth Proportional to 4,497,858.71, 6,746,807.81 and 1,423,864.64

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Solution

The fourth proportional to 4,497,858.71, 6,746,807.81 and 1,423,864.64 is: 2,135,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,497,858.71 : 6,746,807.81 = 1,423,864.64 : x
  2. Step 2: Convert to fraction form
    4,497,858.71/6,746,807.81 = 1,423,864.64/x
  3. Step 3: Cross multiply
    4,497,858.71x = 6,746,807.81 × 1,423,864.64
  4. Step 4: Simplify right side
    4,497,858.71x = 9,606,541,039,800.80
  5. Step 5: Solve for x
    x = 9,606,541,039,800.80/4,497,858.71
  6. Step 6: Final answer
    x = 2,135,803.21

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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.