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Finding the Fourth Proportional to 265,782.15, 366,786.75 and 162,433.08

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Solution

The fourth proportional to 265,782.15, 366,786.75 and 162,433.08 is: 224,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,782.15 : 366,786.75 = 162,433.08 : x
  2. Step 2: Convert to fraction form
    265,782.15/366,786.75 = 162,433.08/x
  3. Step 3: Cross multiply
    265,782.15x = 366,786.75 × 162,433.08
  4. Step 4: Simplify right side
    265,782.15x = 59,578,301,505.69
  5. Step 5: Solve for x
    x = 59,578,301,505.69/265,782.15
  6. Step 6: Final answer
    x = 224,162.16

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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.