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Finding the Fourth Proportional to 983,578, 1,474,491.69 and 384,402.91

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Solution

The fourth proportional to 983,578, 1,474,491.69 and 384,402.91 is: 576,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,578 : 1,474,491.69 = 384,402.91 : x
  2. Step 2: Convert to fraction form
    983,578/1,474,491.69 = 384,402.91/x
  3. Step 3: Cross multiply
    983,578x = 1,474,491.69 × 384,402.91
  4. Step 4: Simplify right side
    983,578x = 566,798,896,406.82
  5. Step 5: Solve for x
    x = 566,798,896,406.82/983,578
  6. Step 6: Final answer
    x = 576,262.28

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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.