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Finding the Fourth Proportional to 265,871.64, 366,924.60 and 151,186.20

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Solution

The fourth proportional to 265,871.64, 366,924.60 and 151,186.20 is: 208,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,871.64 : 366,924.60 = 151,186.20 : x
  2. Step 2: Convert to fraction form
    265,871.64/366,924.60 = 151,186.20/x
  3. Step 3: Cross multiply
    265,871.64x = 366,924.60 × 151,186.20
  4. Step 4: Simplify right side
    265,871.64x = 55,473,935,960.52
  5. Step 5: Solve for x
    x = 55,473,935,960.52/265,871.64
  6. Step 6: Final answer
    x = 208,649.32

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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.