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Finding the Fourth Proportional to 595.89, 822.22 and 347.11

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Solution

The fourth proportional to 595.89, 822.22 and 347.11 is: 478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.89 : 822.22 = 347.11 : x
  2. Step 2: Convert to fraction form
    595.89/822.22 = 347.11/x
  3. Step 3: Cross multiply
    595.89x = 822.22 × 347.11
  4. Step 4: Simplify right side
    595.89x = 285,397.86
  5. Step 5: Solve for x
    x = 285,397.86/595.89
  6. Step 6: Final answer
    x = 478.94

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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.