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Finding the Fourth Proportional to 486,036.60, 729,054.90 and 441,713.40

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Solution

The fourth proportional to 486,036.60, 729,054.90 and 441,713.40 is: 662,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,036.60 : 729,054.90 = 441,713.40 : x
  2. Step 2: Convert to fraction form
    486,036.60/729,054.90 = 441,713.40/x
  3. Step 3: Cross multiply
    486,036.60x = 729,054.90 × 441,713.40
  4. Step 4: Simplify right side
    486,036.60x = 322,033,318,665.66
  5. Step 5: Solve for x
    x = 322,033,318,665.66/486,036.60
  6. Step 6: Final answer
    x = 662,570.10

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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.