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Finding the Fourth Proportional to 295,605.18, 404,980.59 and 284,535.11

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Solution

The fourth proportional to 295,605.18, 404,980.59 and 284,535.11 is: 389,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,605.18 : 404,980.59 = 284,535.11 : x
  2. Step 2: Convert to fraction form
    295,605.18/404,980.59 = 284,535.11/x
  3. Step 3: Cross multiply
    295,605.18x = 404,980.59 × 284,535.11
  4. Step 4: Simplify right side
    295,605.18x = 115,231,194,698.61
  5. Step 5: Solve for x
    x = 115,231,194,698.61/295,605.18
  6. Step 6: Final answer
    x = 389,814.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.