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Finding the Fourth Proportional to 617,924.70, 926,887.05 and 605,483.10

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Solution

The fourth proportional to 617,924.70, 926,887.05 and 605,483.10 is: 908,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,924.70 : 926,887.05 = 605,483.10 : x
  2. Step 2: Convert to fraction form
    617,924.70/926,887.05 = 605,483.10/x
  3. Step 3: Cross multiply
    617,924.70x = 926,887.05 × 605,483.10
  4. Step 4: Simplify right side
    617,924.70x = 561,214,444,383.86
  5. Step 5: Solve for x
    x = 561,214,444,383.86/617,924.70
  6. Step 6: Final answer
    x = 908,224.65

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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.