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Finding the Fourth Proportional to 277,335.04, 415,186.08 and 171,814.72

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Solution

The fourth proportional to 277,335.04, 415,186.08 and 171,814.72 is: 257,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,335.04 : 415,186.08 = 171,814.72 : x
  2. Step 2: Convert to fraction form
    277,335.04/415,186.08 = 171,814.72/x
  3. Step 3: Cross multiply
    277,335.04x = 415,186.08 × 171,814.72
  4. Step 4: Simplify right side
    277,335.04x = 71,335,080,083.10
  5. Step 5: Solve for x
    x = 71,335,080,083.10/277,335.04
  6. Step 6: Final answer
    x = 257,216.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.