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Finding the Fourth Proportional to 605,154.16, 907,310.86 and 268,011.08

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Solution

The fourth proportional to 605,154.16, 907,310.86 and 268,011.08 is: 401,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,154.16 : 907,310.86 = 268,011.08 : x
  2. Step 2: Convert to fraction form
    605,154.16/907,310.86 = 268,011.08/x
  3. Step 3: Cross multiply
    605,154.16x = 907,310.86 × 268,011.08
  4. Step 4: Simplify right side
    605,154.16x = 243,169,363,484.33
  5. Step 5: Solve for x
    x = 243,169,363,484.33/605,154.16
  6. Step 6: Final answer
    x = 401,830.44

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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.