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Finding the Fourth Proportional to 319,758.40, 441,260.48 and 176,522.88

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Solution

The fourth proportional to 319,758.40, 441,260.48 and 176,522.88 is: 243,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,758.40 : 441,260.48 = 176,522.88 : x
  2. Step 2: Convert to fraction form
    319,758.40/441,260.48 = 176,522.88/x
  3. Step 3: Cross multiply
    319,758.40x = 441,260.48 × 176,522.88
  4. Step 4: Simplify right side
    319,758.40x = 77,892,570,759.78
  5. Step 5: Solve for x
    x = 77,892,570,759.78/319,758.40
  6. Step 6: Final answer
    x = 243,598.20

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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.