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Finding the Fourth Proportional to 475,140.28, 711,952.26 and 348,192.22

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Solution

The fourth proportional to 475,140.28, 711,952.26 and 348,192.22 is: 521,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,140.28 : 711,952.26 = 348,192.22 : x
  2. Step 2: Convert to fraction form
    475,140.28/711,952.26 = 348,192.22/x
  3. Step 3: Cross multiply
    475,140.28x = 711,952.26 × 348,192.22
  4. Step 4: Simplify right side
    475,140.28x = 247,896,237,943.42
  5. Step 5: Solve for x
    x = 247,896,237,943.42/475,140.28
  6. Step 6: Final answer
    x = 521,732.74

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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.