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Finding the Fourth Proportional to 1,787,592.96, 2,466,867.96 and 1,013,369.88

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Solution

The fourth proportional to 1,787,592.96, 2,466,867.96 and 1,013,369.88 is: 1,398,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,592.96 : 2,466,867.96 = 1,013,369.88 : x
  2. Step 2: Convert to fraction form
    1,787,592.96/2,466,867.96 = 1,013,369.88/x
  3. Step 3: Cross multiply
    1,787,592.96x = 2,466,867.96 × 1,013,369.88
  4. Step 4: Simplify right side
    1,787,592.96x = 2,499,849,688,601.05
  5. Step 5: Solve for x
    x = 2,499,849,688,601.05/1,787,592.96
  6. Step 6: Final answer
    x = 1,398,444.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.