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Finding the Fourth Proportional to 339,384.74, 467,967.12 and 216,715.82

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Solution

The fourth proportional to 339,384.74, 467,967.12 and 216,715.82 is: 298,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,384.74 : 467,967.12 = 216,715.82 : x
  2. Step 2: Convert to fraction form
    339,384.74/467,967.12 = 216,715.82/x
  3. Step 3: Cross multiply
    339,384.74x = 467,967.12 × 216,715.82
  4. Step 4: Simplify right side
    339,384.74x = 101,415,875,804.00
  5. Step 5: Solve for x
    x = 101,415,875,804.00/339,384.74
  6. Step 6: Final answer
    x = 298,822.74

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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.