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Finding the Fourth Proportional to 673,262.46, 929,137.74 and 386,801.10

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Solution

The fourth proportional to 673,262.46, 929,137.74 and 386,801.10 is: 533,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,262.46 : 929,137.74 = 386,801.10 : x
  2. Step 2: Convert to fraction form
    673,262.46/929,137.74 = 386,801.10/x
  3. Step 3: Cross multiply
    673,262.46x = 929,137.74 × 386,801.10
  4. Step 4: Simplify right side
    673,262.46x = 359,391,499,883.51
  5. Step 5: Solve for x
    x = 359,391,499,883.51/673,262.46
  6. Step 6: Final answer
    x = 533,805.94

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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.