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Finding the Fourth Proportional to 319,762.44, 441,272.25 and 176,522.58

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Solution

The fourth proportional to 319,762.44, 441,272.25 and 176,522.58 is: 243,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,762.44 : 441,272.25 = 176,522.58 : x
  2. Step 2: Convert to fraction form
    319,762.44/441,272.25 = 176,522.58/x
  3. Step 3: Cross multiply
    319,762.44x = 441,272.25 × 176,522.58
  4. Step 4: Simplify right side
    319,762.44x = 77,894,516,052.41
  5. Step 5: Solve for x
    x = 77,894,516,052.41/319,762.44
  6. Step 6: Final answer
    x = 243,601.21

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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.