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Finding the Fourth Proportional to 319,790.70, 441,295.29 and 183,728.25

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Solution

The fourth proportional to 319,790.70, 441,295.29 and 183,728.25 is: 253,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,790.70 : 441,295.29 = 183,728.25 : x
  2. Step 2: Convert to fraction form
    319,790.70/441,295.29 = 183,728.25/x
  3. Step 3: Cross multiply
    319,790.70x = 441,295.29 × 183,728.25
  4. Step 4: Simplify right side
    319,790.70x = 81,078,411,364.94
  5. Step 5: Solve for x
    x = 81,078,411,364.94/319,790.70
  6. Step 6: Final answer
    x = 253,535.86

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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.