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Finding the Fourth Proportional to 616,755.72, 850,651.64 and 530,858.57

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Solution

The fourth proportional to 616,755.72, 850,651.64 and 530,858.57 is: 732,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,755.72 : 850,651.64 = 530,858.57 : x
  2. Step 2: Convert to fraction form
    616,755.72/850,651.64 = 530,858.57/x
  3. Step 3: Cross multiply
    616,755.72x = 850,651.64 × 530,858.57
  4. Step 4: Simplify right side
    616,755.72x = 451,575,710,252.44
  5. Step 5: Solve for x
    x = 451,575,710,252.44/616,755.72
  6. Step 6: Final answer
    x = 732,179.20

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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.