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Finding the Fourth Proportional to 424,010.46, 585,127.71 and 233,019.78

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Solution

The fourth proportional to 424,010.46, 585,127.71 and 233,019.78 is: 321,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,010.46 : 585,127.71 = 233,019.78 : x
  2. Step 2: Convert to fraction form
    424,010.46/585,127.71 = 233,019.78/x
  3. Step 3: Cross multiply
    424,010.46x = 585,127.71 × 233,019.78
  4. Step 4: Simplify right side
    424,010.46x = 136,346,330,256.10
  5. Step 5: Solve for x
    x = 136,346,330,256.10/424,010.46
  6. Step 6: Final answer
    x = 321,563.60

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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.