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Finding the Fourth Proportional to 347,866.72, 480,095.91 and 194,946.21

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Solution

The fourth proportional to 347,866.72, 480,095.91 and 194,946.21 is: 269,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,866.72 : 480,095.91 = 194,946.21 : x
  2. Step 2: Convert to fraction form
    347,866.72/480,095.91 = 194,946.21/x
  3. Step 3: Cross multiply
    347,866.72x = 480,095.91 × 194,946.21
  4. Step 4: Simplify right side
    347,866.72x = 93,592,878,091.00
  5. Step 5: Solve for x
    x = 93,592,878,091.00/347,866.72
  6. Step 6: Final answer
    x = 269,048.10

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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.