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Finding the Fourth Proportional to 569,615.20, 854,422.80 and 476,303.20

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Solution

The fourth proportional to 569,615.20, 854,422.80 and 476,303.20 is: 714,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,615.20 : 854,422.80 = 476,303.20 : x
  2. Step 2: Convert to fraction form
    569,615.20/854,422.80 = 476,303.20/x
  3. Step 3: Cross multiply
    569,615.20x = 854,422.80 × 476,303.20
  4. Step 4: Simplify right side
    569,615.20x = 406,964,313,792.96
  5. Step 5: Solve for x
    x = 406,964,313,792.96/569,615.20
  6. Step 6: Final answer
    x = 714,454.80

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Similar ratio
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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.