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Finding the Fourth Proportional to 452,519.16, 624,477.90 and 251,315.16

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Solution

The fourth proportional to 452,519.16, 624,477.90 and 251,315.16 is: 346,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,519.16 : 624,477.90 = 251,315.16 : x
  2. Step 2: Convert to fraction form
    452,519.16/624,477.90 = 251,315.16/x
  3. Step 3: Cross multiply
    452,519.16x = 624,477.90 × 251,315.16
  4. Step 4: Simplify right side
    452,519.16x = 156,940,763,354.96
  5. Step 5: Solve for x
    x = 156,940,763,354.96/452,519.16
  6. Step 6: Final answer
    x = 346,815.73

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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.