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Finding the Fourth Proportional to 575,793.60, 863,690.40 and 295,857.60

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Solution

The fourth proportional to 575,793.60, 863,690.40 and 295,857.60 is: 443,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,793.60 : 863,690.40 = 295,857.60 : x
  2. Step 2: Convert to fraction form
    575,793.60/863,690.40 = 295,857.60/x
  3. Step 3: Cross multiply
    575,793.60x = 863,690.40 × 295,857.60
  4. Step 4: Simplify right side
    575,793.60x = 255,529,368,887.04
  5. Step 5: Solve for x
    x = 255,529,368,887.04/575,793.60
  6. Step 6: Final answer
    x = 443,786.40

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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.