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Finding the Fourth Proportional to 424,415.61, 585,690.48 and 233,424.90

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Solution

The fourth proportional to 424,415.61, 585,690.48 and 233,424.90 is: 322,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,415.61 : 585,690.48 = 233,424.90 : x
  2. Step 2: Convert to fraction form
    424,415.61/585,690.48 = 233,424.90/x
  3. Step 3: Cross multiply
    424,415.61x = 585,690.48 × 233,424.90
  4. Step 4: Simplify right side
    424,415.61x = 136,714,741,724.95
  5. Step 5: Solve for x
    x = 136,714,741,724.95/424,415.61
  6. Step 6: Final answer
    x = 322,124.68

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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.