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Finding the Fourth Proportional to 562,570.11, 776,340.83 and 304,441.47

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Solution

The fourth proportional to 562,570.11, 776,340.83 and 304,441.47 is: 420,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,570.11 : 776,340.83 = 304,441.47 : x
  2. Step 2: Convert to fraction form
    562,570.11/776,340.83 = 304,441.47/x
  3. Step 3: Cross multiply
    562,570.11x = 776,340.83 × 304,441.47
  4. Step 4: Simplify right side
    562,570.11x = 236,350,341,984.01
  5. Step 5: Solve for x
    x = 236,350,341,984.01/562,570.11
  6. Step 6: Final answer
    x = 420,126.02

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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.