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Finding the Fourth Proportional to 567,657.57, 851,486.36 and 389,624.84

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Solution

The fourth proportional to 567,657.57, 851,486.36 and 389,624.84 is: 584,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,657.57 : 851,486.36 = 389,624.84 : x
  2. Step 2: Convert to fraction form
    567,657.57/851,486.36 = 389,624.84/x
  3. Step 3: Cross multiply
    567,657.57x = 851,486.36 × 389,624.84
  4. Step 4: Simplify right side
    567,657.57x = 331,760,235,225.79
  5. Step 5: Solve for x
    x = 331,760,235,225.79/567,657.57
  6. Step 6: Final answer
    x = 584,437.26

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Double scale
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Similar ratio
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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.