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Finding the Fourth Proportional to 444,450.28, 612,702.66 and 316,904.68

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Solution

The fourth proportional to 444,450.28, 612,702.66 and 316,904.68 is: 436,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,450.28 : 612,702.66 = 316,904.68 : x
  2. Step 2: Convert to fraction form
    444,450.28/612,702.66 = 316,904.68/x
  3. Step 3: Cross multiply
    444,450.28x = 612,702.66 × 316,904.68
  4. Step 4: Simplify right side
    444,450.28x = 194,168,340,402.45
  5. Step 5: Solve for x
    x = 194,168,340,402.45/444,450.28
  6. Step 6: Final answer
    x = 436,873.03

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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.