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Finding the Fourth Proportional to 567,999.42, 851,748.51 and 212,764.20

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Solution

The fourth proportional to 567,999.42, 851,748.51 and 212,764.20 is: 319,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,999.42 : 851,748.51 = 212,764.20 : x
  2. Step 2: Convert to fraction form
    567,999.42/851,748.51 = 212,764.20/x
  3. Step 3: Cross multiply
    567,999.42x = 851,748.51 × 212,764.20
  4. Step 4: Simplify right side
    567,999.42x = 181,221,590,331.34
  5. Step 5: Solve for x
    x = 181,221,590,331.34/567,999.42
  6. Step 6: Final answer
    x = 319,052.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.