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Finding the Fourth Proportional to 536,153.76, 739,930.32 and 354,550.32

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Solution

The fourth proportional to 536,153.76, 739,930.32 and 354,550.32 is: 489,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,153.76 : 739,930.32 = 354,550.32 : x
  2. Step 2: Convert to fraction form
    536,153.76/739,930.32 = 354,550.32/x
  3. Step 3: Cross multiply
    536,153.76x = 739,930.32 × 354,550.32
  4. Step 4: Simplify right side
    536,153.76x = 262,342,531,733.70
  5. Step 5: Solve for x
    x = 262,342,531,733.70/536,153.76
  6. Step 6: Final answer
    x = 489,304.66

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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.