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Finding the Fourth Proportional to 600,657.62, 828,899.71 and 328,720.57

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Solution

The fourth proportional to 600,657.62, 828,899.71 and 328,720.57 is: 453,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,657.62 : 828,899.71 = 328,720.57 : x
  2. Step 2: Convert to fraction form
    600,657.62/828,899.71 = 328,720.57/x
  3. Step 3: Cross multiply
    600,657.62x = 828,899.71 × 328,720.57
  4. Step 4: Simplify right side
    600,657.62x = 272,476,380,999.54
  5. Step 5: Solve for x
    x = 272,476,380,999.54/600,657.62
  6. Step 6: Final answer
    x = 453,630.11

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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.