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Finding the Fourth Proportional to 265,384.90, 366,207.06 and 157,937.59

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Solution

The fourth proportional to 265,384.90, 366,207.06 and 157,937.59 is: 217,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,384.90 : 366,207.06 = 157,937.59 : x
  2. Step 2: Convert to fraction form
    265,384.90/366,207.06 = 157,937.59/x
  3. Step 3: Cross multiply
    265,384.90x = 366,207.06 × 157,937.59
  4. Step 4: Simplify right side
    265,384.90x = 57,837,860,497.39
  5. Step 5: Solve for x
    x = 57,837,860,497.39/265,384.90
  6. Step 6: Final answer
    x = 217,939.53

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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.