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Finding the Fourth Proportional to 484,695.67, 668,444.55 and 303,424.10

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Solution

The fourth proportional to 484,695.67, 668,444.55 and 303,424.10 is: 418,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,695.67 : 668,444.55 = 303,424.10 : x
  2. Step 2: Convert to fraction form
    484,695.67/668,444.55 = 303,424.10/x
  3. Step 3: Cross multiply
    484,695.67x = 668,444.55 × 303,424.10
  4. Step 4: Simplify right side
    484,695.67x = 202,822,185,983.66
  5. Step 5: Solve for x
    x = 202,822,185,983.66/484,695.67
  6. Step 6: Final answer
    x = 418,452.65

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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.