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Finding the Fourth Proportional to 567,636.39, 782,524.26 and 446,567.45

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Solution

The fourth proportional to 567,636.39, 782,524.26 and 446,567.45 is: 615,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,636.39 : 782,524.26 = 446,567.45 : x
  2. Step 2: Convert to fraction form
    567,636.39/782,524.26 = 446,567.45/x
  3. Step 3: Cross multiply
    567,636.39x = 782,524.26 × 446,567.45
  4. Step 4: Simplify right side
    567,636.39x = 349,449,859,438.72
  5. Step 5: Solve for x
    x = 349,449,859,438.72/567,636.39
  6. Step 6: Final answer
    x = 615,622.72

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.