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Finding the Fourth Proportional to 606,335.83, 908,631.85 and 417,009.97

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Solution

The fourth proportional to 606,335.83, 908,631.85 and 417,009.97 is: 624,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,335.83 : 908,631.85 = 417,009.97 : x
  2. Step 2: Convert to fraction form
    606,335.83/908,631.85 = 417,009.97/x
  3. Step 3: Cross multiply
    606,335.83x = 908,631.85 × 417,009.97
  4. Step 4: Simplify right side
    606,335.83x = 378,908,538,424.50
  5. Step 5: Solve for x
    x = 378,908,538,424.50/606,335.83
  6. Step 6: Final answer
    x = 624,915.30

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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.