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Finding the Fourth Proportional to 606,711.30, 837,428.13 and 352,144.50

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Solution

The fourth proportional to 606,711.30, 837,428.13 and 352,144.50 is: 486,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,711.30 : 837,428.13 = 352,144.50 : x
  2. Step 2: Convert to fraction form
    606,711.30/837,428.13 = 352,144.50/x
  3. Step 3: Cross multiply
    606,711.30x = 837,428.13 × 352,144.50
  4. Step 4: Simplify right side
    606,711.30x = 294,895,710,124.79
  5. Step 5: Solve for x
    x = 294,895,710,124.79/606,711.30
  6. Step 6: Final answer
    x = 486,056.07

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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.