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Finding the Fourth Proportional to 560,343.63, 773,270.54 and 318,626.22

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Solution

The fourth proportional to 560,343.63, 773,270.54 and 318,626.22 is: 439,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,343.63 : 773,270.54 = 318,626.22 : x
  2. Step 2: Convert to fraction form
    560,343.63/773,270.54 = 318,626.22/x
  3. Step 3: Cross multiply
    560,343.63x = 773,270.54 × 318,626.22
  4. Step 4: Simplify right side
    560,343.63x = 246,384,269,197.56
  5. Step 5: Solve for x
    x = 246,384,269,197.56/560,343.63
  6. Step 6: Final answer
    x = 439,702.10

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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.