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Finding the Fourth Proportional to 484,101.58, 725,488.07 and 306,290.28

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Solution

The fourth proportional to 484,101.58, 725,488.07 and 306,290.28 is: 459,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,101.58 : 725,488.07 = 306,290.28 : x
  2. Step 2: Convert to fraction form
    484,101.58/725,488.07 = 306,290.28/x
  3. Step 3: Cross multiply
    484,101.58x = 725,488.07 × 306,290.28
  4. Step 4: Simplify right side
    484,101.58x = 222,209,942,565.51
  5. Step 5: Solve for x
    x = 222,209,942,565.51/484,101.58
  6. Step 6: Final answer
    x = 459,015.12

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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.