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Finding the Fourth Proportional to 376,838.02, 520,040.58 and 207,072.16

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Solution

The fourth proportional to 376,838.02, 520,040.58 and 207,072.16 is: 285,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,838.02 : 520,040.58 = 207,072.16 : x
  2. Step 2: Convert to fraction form
    376,838.02/520,040.58 = 207,072.16/x
  3. Step 3: Cross multiply
    376,838.02x = 520,040.58 × 207,072.16
  4. Step 4: Simplify right side
    376,838.02x = 107,685,926,188.25
  5. Step 5: Solve for x
    x = 107,685,926,188.25/376,838.02
  6. Step 6: Final answer
    x = 285,761.84

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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.