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Finding the Fourth Proportional to 414,444.64, 621,664.92 and 358,113.32

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Solution

The fourth proportional to 414,444.64, 621,664.92 and 358,113.32 is: 537,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,444.64 : 621,664.92 = 358,113.32 : x
  2. Step 2: Convert to fraction form
    414,444.64/621,664.92 = 358,113.32/x
  3. Step 3: Cross multiply
    414,444.64x = 621,664.92 × 358,113.32
  4. Step 4: Simplify right side
    414,444.64x = 222,626,488,428.73
  5. Step 5: Solve for x
    x = 222,626,488,428.73/414,444.64
  6. Step 6: Final answer
    x = 537,168.22

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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.