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Finding the Fourth Proportional to 452,507.60, 624,432.86 and 248,518.80

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Solution

The fourth proportional to 452,507.60, 624,432.86 and 248,518.80 is: 342,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,507.60 : 624,432.86 = 248,518.80 : x
  2. Step 2: Convert to fraction form
    452,507.60/624,432.86 = 248,518.80/x
  3. Step 3: Cross multiply
    452,507.60x = 624,432.86 × 248,518.80
  4. Step 4: Simplify right side
    452,507.60x = 155,183,305,047.77
  5. Step 5: Solve for x
    x = 155,183,305,047.77/452,507.60
  6. Step 6: Final answer
    x = 342,940.77

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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.