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Finding the Fourth Proportional to 560,325.22, 773,143.05 and 333,991.78

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Solution

The fourth proportional to 560,325.22, 773,143.05 and 333,991.78 is: 460,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,325.22 : 773,143.05 = 333,991.78 : x
  2. Step 2: Convert to fraction form
    560,325.22/773,143.05 = 333,991.78/x
  3. Step 3: Cross multiply
    560,325.22x = 773,143.05 × 333,991.78
  4. Step 4: Simplify right side
    560,325.22x = 258,223,423,464.13
  5. Step 5: Solve for x
    x = 258,223,423,464.13/560,325.22
  6. Step 6: Final answer
    x = 460,845.62

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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.