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Finding the Fourth Proportional to 1,803,174, 2,488,457.88 and 998,358

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Solution

The fourth proportional to 1,803,174, 2,488,457.88 and 998,358 is: 1,377,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,174 : 2,488,457.88 = 998,358 : x
  2. Step 2: Convert to fraction form
    1,803,174/2,488,457.88 = 998,358/x
  3. Step 3: Cross multiply
    1,803,174x = 2,488,457.88 × 998,358
  4. Step 4: Simplify right side
    1,803,174x = 2,484,371,832,161.04
  5. Step 5: Solve for x
    x = 2,484,371,832,161.04/1,803,174
  6. Step 6: Final answer
    x = 1,377,777.09

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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.