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Finding the Fourth Proportional to 525,276.84, 787,800.06 and 151,218.60

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Solution

The fourth proportional to 525,276.84, 787,800.06 and 151,218.60 is: 226,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,276.84 : 787,800.06 = 151,218.60 : x
  2. Step 2: Convert to fraction form
    525,276.84/787,800.06 = 151,218.60/x
  3. Step 3: Cross multiply
    525,276.84x = 787,800.06 × 151,218.60
  4. Step 4: Simplify right side
    525,276.84x = 119,130,022,153.12
  5. Step 5: Solve for x
    x = 119,130,022,153.12/525,276.84
  6. Step 6: Final answer
    x = 226,794.74

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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.