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Finding the Fourth Proportional to 2,913,096, 4,369,644 and 918,552

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Solution

The fourth proportional to 2,913,096, 4,369,644 and 918,552 is: 1,377,828

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,096 : 4,369,644 = 918,552 : x
  2. Step 2: Convert to fraction form
    2,913,096/4,369,644 = 918,552/x
  3. Step 3: Cross multiply
    2,913,096x = 4,369,644 × 918,552
  4. Step 4: Simplify right side
    2,913,096x = 4,013,745,235,488
  5. Step 5: Solve for x
    x = 4,013,745,235,488/2,913,096
  6. Step 6: Final answer
    x = 1,377,828

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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.