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Finding the Fourth Proportional to 347,502.32, 479,598.36 and 194,598.72

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Solution

The fourth proportional to 347,502.32, 479,598.36 and 194,598.72 is: 268,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,502.32 : 479,598.36 = 194,598.72 : x
  2. Step 2: Convert to fraction form
    347,502.32/479,598.36 = 194,598.72/x
  3. Step 3: Cross multiply
    347,502.32x = 479,598.36 × 194,598.72
  4. Step 4: Simplify right side
    347,502.32x = 93,329,226,970.10
  5. Step 5: Solve for x
    x = 93,329,226,970.10/347,502.32
  6. Step 6: Final answer
    x = 268,571.52

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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.