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Finding the Fourth Proportional to 560,919.66, 773,676.36 and 379,551.76

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Solution

The fourth proportional to 560,919.66, 773,676.36 and 379,551.76 is: 523,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,919.66 : 773,676.36 = 379,551.76 : x
  2. Step 2: Convert to fraction form
    560,919.66/773,676.36 = 379,551.76/x
  3. Step 3: Cross multiply
    560,919.66x = 773,676.36 × 379,551.76
  4. Step 4: Simplify right side
    560,919.66x = 293,650,224,108.39
  5. Step 5: Solve for x
    x = 293,650,224,108.39/560,919.66
  6. Step 6: Final answer
    x = 523,515.66

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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.