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Finding the Fourth Proportional to 424,323.84, 585,571.20 and 233,338.64

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Solution

The fourth proportional to 424,323.84, 585,571.20 and 233,338.64 is: 322,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,323.84 : 585,571.20 = 233,338.64 : x
  2. Step 2: Convert to fraction form
    424,323.84/585,571.20 = 233,338.64/x
  3. Step 3: Cross multiply
    424,323.84x = 585,571.20 × 233,338.64
  4. Step 4: Simplify right side
    424,323.84x = 136,636,387,431.17
  5. Step 5: Solve for x
    x = 136,636,387,431.17/424,323.84
  6. Step 6: Final answer
    x = 322,009.69

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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.