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Finding the Fourth Proportional to 424,181.76, 585,348.30 and 233,158.44

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Solution

The fourth proportional to 424,181.76, 585,348.30 and 233,158.44 is: 321,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,181.76 : 585,348.30 = 233,158.44 : x
  2. Step 2: Convert to fraction form
    424,181.76/585,348.30 = 233,158.44/x
  3. Step 3: Cross multiply
    424,181.76x = 585,348.30 × 233,158.44
  4. Step 4: Simplify right side
    424,181.76x = 136,478,896,484.65
  5. Step 5: Solve for x
    x = 136,478,896,484.65/424,181.76
  6. Step 6: Final answer
    x = 321,746.26

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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.