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Finding the Fourth Proportional to 525,562.50, 787,728.78 and 241,280.52

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Solution

The fourth proportional to 525,562.50, 787,728.78 and 241,280.52 is: 361,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,562.50 : 787,728.78 = 241,280.52 : x
  2. Step 2: Convert to fraction form
    525,562.50/787,728.78 = 241,280.52/x
  3. Step 3: Cross multiply
    525,562.50x = 787,728.78 × 241,280.52
  4. Step 4: Simplify right side
    525,562.50x = 190,063,608,896.41
  5. Step 5: Solve for x
    x = 190,063,608,896.41/525,562.50
  6. Step 6: Final answer
    x = 361,638.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.