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Finding the Fourth Proportional to 575,404.40, 863,106.60 and 220,235.60

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Solution

The fourth proportional to 575,404.40, 863,106.60 and 220,235.60 is: 330,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,404.40 : 863,106.60 = 220,235.60 : x
  2. Step 2: Convert to fraction form
    575,404.40/863,106.60 = 220,235.60/x
  3. Step 3: Cross multiply
    575,404.40x = 863,106.60 × 220,235.60
  4. Step 4: Simplify right side
    575,404.40x = 190,086,799,914.96
  5. Step 5: Solve for x
    x = 190,086,799,914.96/575,404.40
  6. Step 6: Final answer
    x = 330,353.40

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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.