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Finding the Fourth Proportional to 560,697.48, 773,770.59 and 306,043.20

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Solution

The fourth proportional to 560,697.48, 773,770.59 and 306,043.20 is: 422,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,697.48 : 773,770.59 = 306,043.20 : x
  2. Step 2: Convert to fraction form
    560,697.48/773,770.59 = 306,043.20/x
  3. Step 3: Cross multiply
    560,697.48x = 773,770.59 × 306,043.20
  4. Step 4: Simplify right side
    560,697.48x = 236,807,227,429.49
  5. Step 5: Solve for x
    x = 236,807,227,429.49/560,697.48
  6. Step 6: Final answer
    x = 422,344.02

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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.