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Finding the Fourth Proportional to 2,784,616.02, 4,176,927.66 and 762,877.68

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Solution

The fourth proportional to 2,784,616.02, 4,176,927.66 and 762,877.68 is: 1,144,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,616.02 : 4,176,927.66 = 762,877.68 : x
  2. Step 2: Convert to fraction form
    2,784,616.02/4,176,927.66 = 762,877.68/x
  3. Step 3: Cross multiply
    2,784,616.02x = 4,176,927.66 × 762,877.68
  4. Step 4: Simplify right side
    2,784,616.02x = 3,186,484,882,788.63
  5. Step 5: Solve for x
    x = 3,186,484,882,788.63/2,784,616.02
  6. Step 6: Final answer
    x = 1,144,317.51

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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.