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Finding the Fourth Proportional to 567,091.20, 850,636.80 and 424,012.80

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Solution

The fourth proportional to 567,091.20, 850,636.80 and 424,012.80 is: 636,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,091.20 : 850,636.80 = 424,012.80 : x
  2. Step 2: Convert to fraction form
    567,091.20/850,636.80 = 424,012.80/x
  3. Step 3: Cross multiply
    567,091.20x = 850,636.80 × 424,012.80
  4. Step 4: Simplify right side
    567,091.20x = 360,680,891,351.04
  5. Step 5: Solve for x
    x = 360,680,891,351.04/567,091.20
  6. Step 6: Final answer
    x = 636,019.20

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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.