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Finding the Fourth Proportional to 318,317.48, 476,554.62 and 239,762.60

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Solution

The fourth proportional to 318,317.48, 476,554.62 and 239,762.60 is: 358,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,317.48 : 476,554.62 = 239,762.60 : x
  2. Step 2: Convert to fraction form
    318,317.48/476,554.62 = 239,762.60/x
  3. Step 3: Cross multiply
    318,317.48x = 476,554.62 × 239,762.60
  4. Step 4: Simplify right side
    318,317.48x = 114,259,974,733.21
  5. Step 5: Solve for x
    x = 114,259,974,733.21/318,317.48
  6. Step 6: Final answer
    x = 358,949.73

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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.