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Finding the Fourth Proportional to 836,894.10, 1,154,900.24 and 454,930.50

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Solution

The fourth proportional to 836,894.10, 1,154,900.24 and 454,930.50 is: 627,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,894.10 : 1,154,900.24 = 454,930.50 : x
  2. Step 2: Convert to fraction form
    836,894.10/1,154,900.24 = 454,930.50/x
  3. Step 3: Cross multiply
    836,894.10x = 1,154,900.24 × 454,930.50
  4. Step 4: Simplify right side
    836,894.10x = 525,399,343,633.32
  5. Step 5: Solve for x
    x = 525,399,343,633.32/836,894.10
  6. Step 6: Final answer
    x = 627,796.69

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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.