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Finding the Fourth Proportional to 463,486.80, 695,230.20 and 297,598.80

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Solution

The fourth proportional to 463,486.80, 695,230.20 and 297,598.80 is: 446,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,486.80 : 695,230.20 = 297,598.80 : x
  2. Step 2: Convert to fraction form
    463,486.80/695,230.20 = 297,598.80/x
  3. Step 3: Cross multiply
    463,486.80x = 695,230.20 × 297,598.80
  4. Step 4: Simplify right side
    463,486.80x = 206,899,673,243.76
  5. Step 5: Solve for x
    x = 206,899,673,243.76/463,486.80
  6. Step 6: Final answer
    x = 446,398.20

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Double scale
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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.