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Finding the Fourth Proportional to 567,078.90, 850,590.08 and 212,066.82

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Solution

The fourth proportional to 567,078.90, 850,590.08 and 212,066.82 is: 318,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,078.90 : 850,590.08 = 212,066.82 : x
  2. Step 2: Convert to fraction form
    567,078.90/850,590.08 = 212,066.82/x
  3. Step 3: Cross multiply
    567,078.90x = 850,590.08 × 212,066.82
  4. Step 4: Simplify right side
    567,078.90x = 180,381,933,389.15
  5. Step 5: Solve for x
    x = 180,381,933,389.15/567,078.90
  6. Step 6: Final answer
    x = 318,089.66

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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.