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Finding the Fourth Proportional to 658,333.69, 987,500.95 and 159,697.69

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Solution

The fourth proportional to 658,333.69, 987,500.95 and 159,697.69 is: 239,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,333.69 : 987,500.95 = 159,697.69 : x
  2. Step 2: Convert to fraction form
    658,333.69/987,500.95 = 159,697.69/x
  3. Step 3: Cross multiply
    658,333.69x = 987,500.95 × 159,697.69
  4. Step 4: Simplify right side
    658,333.69x = 157,701,617,719.81
  5. Step 5: Solve for x
    x = 157,701,617,719.81/658,333.69
  6. Step 6: Final answer
    x = 239,546.63

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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.