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Finding the Fourth Proportional to 424,648.08, 585,999.72 and 233,643.60

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Solution

The fourth proportional to 424,648.08, 585,999.72 and 233,643.60 is: 322,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,648.08 : 585,999.72 = 233,643.60 : x
  2. Step 2: Convert to fraction form
    424,648.08/585,999.72 = 233,643.60/x
  3. Step 3: Cross multiply
    424,648.08x = 585,999.72 × 233,643.60
  4. Step 4: Simplify right side
    424,648.08x = 136,915,084,179.79
  5. Step 5: Solve for x
    x = 136,915,084,179.79/424,648.08
  6. Step 6: Final answer
    x = 322,420.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.