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Finding the Fourth Proportional to 836,886.60, 1,154,889.90 and 454,923

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Solution

The fourth proportional to 836,886.60, 1,154,889.90 and 454,923 is: 627,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,886.60 : 1,154,889.90 = 454,923 : x
  2. Step 2: Convert to fraction form
    836,886.60/1,154,889.90 = 454,923/x
  3. Step 3: Cross multiply
    836,886.60x = 1,154,889.90 × 454,923
  4. Step 4: Simplify right side
    836,886.60x = 525,385,977,977.70
  5. Step 5: Solve for x
    x = 525,385,977,977.70/836,886.60
  6. Step 6: Final answer
    x = 627,786.34

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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.