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Finding the Fourth Proportional to 475,569.68, 656,178.36 and 322,628.72

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Solution

The fourth proportional to 475,569.68, 656,178.36 and 322,628.72 is: 445,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,569.68 : 656,178.36 = 322,628.72 : x
  2. Step 2: Convert to fraction form
    475,569.68/656,178.36 = 322,628.72/x
  3. Step 3: Cross multiply
    475,569.68x = 656,178.36 × 322,628.72
  4. Step 4: Simplify right side
    475,569.68x = 211,701,984,378.50
  5. Step 5: Solve for x
    x = 211,701,984,378.50/475,569.68
  6. Step 6: Final answer
    x = 445,154.50

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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.