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Finding the Fourth Proportional to 319,792.80, 441,315.36 and 174,599.04

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Solution

The fourth proportional to 319,792.80, 441,315.36 and 174,599.04 is: 240,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,792.80 : 441,315.36 = 174,599.04 : x
  2. Step 2: Convert to fraction form
    319,792.80/441,315.36 = 174,599.04/x
  3. Step 3: Cross multiply
    319,792.80x = 441,315.36 × 174,599.04
  4. Step 4: Simplify right side
    319,792.80x = 77,053,238,193.25
  5. Step 5: Solve for x
    x = 77,053,238,193.25/319,792.80
  6. Step 6: Final answer
    x = 240,947.38

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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.