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Finding the Fourth Proportional to 348,440.48, 480,818.82 and 195,457.40

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Solution

The fourth proportional to 348,440.48, 480,818.82 and 195,457.40 is: 269,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,440.48 : 480,818.82 = 195,457.40 : x
  2. Step 2: Convert to fraction form
    348,440.48/480,818.82 = 195,457.40/x
  3. Step 3: Cross multiply
    348,440.48x = 480,818.82 × 195,457.40
  4. Step 4: Simplify right side
    348,440.48x = 93,979,596,428.27
  5. Step 5: Solve for x
    x = 93,979,596,428.27/348,440.48
  6. Step 6: Final answer
    x = 269,714.92

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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.