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Finding the Fourth Proportional to 424,133.78, 585,289.77 and 233,145.80

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Solution

The fourth proportional to 424,133.78, 585,289.77 and 233,145.80 is: 321,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,133.78 : 585,289.77 = 233,145.80 : x
  2. Step 2: Convert to fraction form
    424,133.78/585,289.77 = 233,145.80/x
  3. Step 3: Cross multiply
    424,133.78x = 585,289.77 × 233,145.80
  4. Step 4: Simplify right side
    424,133.78x = 136,457,851,658.47
  5. Step 5: Solve for x
    x = 136,457,851,658.47/424,133.78
  6. Step 6: Final answer
    x = 321,733.04

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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.