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Finding the Fourth Proportional to 347,326.34, 520,393.71 and 233,260.34

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Solution

The fourth proportional to 347,326.34, 520,393.71 and 233,260.34 is: 349,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,326.34 : 520,393.71 = 233,260.34 : x
  2. Step 2: Convert to fraction form
    347,326.34/520,393.71 = 233,260.34/x
  3. Step 3: Cross multiply
    347,326.34x = 520,393.71 × 233,260.34
  4. Step 4: Simplify right side
    347,326.34x = 121,387,213,728.46
  5. Step 5: Solve for x
    x = 121,387,213,728.46/347,326.34
  6. Step 6: Final answer
    x = 349,490.38

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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.