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Finding the Fourth Proportional to 369,760.41, 510,225.48 and 208,606.05

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Solution

The fourth proportional to 369,760.41, 510,225.48 and 208,606.05 is: 287,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,760.41 : 510,225.48 = 208,606.05 : x
  2. Step 2: Convert to fraction form
    369,760.41/510,225.48 = 208,606.05/x
  3. Step 3: Cross multiply
    369,760.41x = 510,225.48 × 208,606.05
  4. Step 4: Simplify right side
    369,760.41x = 106,436,121,992.15
  5. Step 5: Solve for x
    x = 106,436,121,992.15/369,760.41
  6. Step 6: Final answer
    x = 287,851.59

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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.