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Finding the Fourth Proportional to 404,792.80, 606,670.80 and 310,832.80

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Solution

The fourth proportional to 404,792.80, 606,670.80 and 310,832.80 is: 465,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,792.80 : 606,670.80 = 310,832.80 : x
  2. Step 2: Convert to fraction form
    404,792.80/606,670.80 = 310,832.80/x
  3. Step 3: Cross multiply
    404,792.80x = 606,670.80 × 310,832.80
  4. Step 4: Simplify right side
    404,792.80x = 188,573,183,442.24
  5. Step 5: Solve for x
    x = 188,573,183,442.24/404,792.80
  6. Step 6: Final answer
    x = 465,851.13

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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.