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Finding the Fourth Proportional to 339,497.86, 468,510.36 and 186,533.59

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Solution

The fourth proportional to 339,497.86, 468,510.36 and 186,533.59 is: 257,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,497.86 : 468,510.36 = 186,533.59 : x
  2. Step 2: Convert to fraction form
    339,497.86/468,510.36 = 186,533.59/x
  3. Step 3: Cross multiply
    339,497.86x = 468,510.36 × 186,533.59
  4. Step 4: Simplify right side
    339,497.86x = 87,392,919,402.99
  5. Step 5: Solve for x
    x = 87,392,919,402.99/339,497.86
  6. Step 6: Final answer
    x = 257,418.17

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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.