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Finding the Fourth Proportional to 452,722.24, 624,776.40 and 251,518.24

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Solution

The fourth proportional to 452,722.24, 624,776.40 and 251,518.24 is: 347,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,722.24 : 624,776.40 = 251,518.24 : x
  2. Step 2: Convert to fraction form
    452,722.24/624,776.40 = 251,518.24/x
  3. Step 3: Cross multiply
    452,722.24x = 624,776.40 × 251,518.24
  4. Step 4: Simplify right side
    452,722.24x = 157,142,660,521.54
  5. Step 5: Solve for x
    x = 157,142,660,521.54/452,722.24
  6. Step 6: Final answer
    x = 347,106.12

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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.