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Finding the Fourth Proportional to 635,330.64, 876,777 and 367,058.64

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Solution

The fourth proportional to 635,330.64, 876,777 and 367,058.64 is: 506,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,330.64 : 876,777 = 367,058.64 : x
  2. Step 2: Convert to fraction form
    635,330.64/876,777 = 367,058.64/x
  3. Step 3: Cross multiply
    635,330.64x = 876,777 × 367,058.64
  4. Step 4: Simplify right side
    635,330.64x = 321,828,573,203.28
  5. Step 5: Solve for x
    x = 321,828,573,203.28/635,330.64
  6. Step 6: Final answer
    x = 506,552.89

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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.