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Finding the Fourth Proportional to 560,800.71, 773,901.04 and 306,151.90

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Solution

The fourth proportional to 560,800.71, 773,901.04 and 306,151.90 is: 422,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,800.71 : 773,901.04 = 306,151.90 : x
  2. Step 2: Convert to fraction form
    560,800.71/773,901.04 = 306,151.90/x
  3. Step 3: Cross multiply
    560,800.71x = 773,901.04 × 306,151.90
  4. Step 4: Simplify right side
    560,800.71x = 236,931,270,230.81
  5. Step 5: Solve for x
    x = 236,931,270,230.81/560,800.71
  6. Step 6: Final answer
    x = 422,487.47

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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.