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Finding the Fourth Proportional to 605,253.50, 835,222.82 and 346,945.22

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Solution

The fourth proportional to 605,253.50, 835,222.82 and 346,945.22 is: 478,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,253.50 : 835,222.82 = 346,945.22 : x
  2. Step 2: Convert to fraction form
    605,253.50/835,222.82 = 346,945.22/x
  3. Step 3: Cross multiply
    605,253.50x = 835,222.82 × 346,945.22
  4. Step 4: Simplify right side
    605,253.50x = 289,776,565,033.92
  5. Step 5: Solve for x
    x = 289,776,565,033.92/605,253.50
  6. Step 6: Final answer
    x = 478,768.92

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1.5x scale

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.