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Finding the Fourth Proportional to 575,794.60, 862,590.30 and 309,466.60

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Solution

The fourth proportional to 575,794.60, 862,590.30 and 309,466.60 is: 463,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,794.60 : 862,590.30 = 309,466.60 : x
  2. Step 2: Convert to fraction form
    575,794.60/862,590.30 = 309,466.60/x
  3. Step 3: Cross multiply
    575,794.60x = 862,590.30 × 309,466.60
  4. Step 4: Simplify right side
    575,794.60x = 266,942,887,333.98
  5. Step 5: Solve for x
    x = 266,942,887,333.98/575,794.60
  6. Step 6: Final answer
    x = 463,607.83

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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.