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Finding the Fourth Proportional to 441,330.40, 661,814.16 and 175,054.24

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Solution

The fourth proportional to 441,330.40, 661,814.16 and 175,054.24 is: 262,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,330.40 : 661,814.16 = 175,054.24 : x
  2. Step 2: Convert to fraction form
    441,330.40/661,814.16 = 175,054.24/x
  3. Step 3: Cross multiply
    441,330.40x = 661,814.16 × 175,054.24
  4. Step 4: Simplify right side
    441,330.40x = 115,853,374,800.04
  5. Step 5: Solve for x
    x = 115,853,374,800.04/441,330.40
  6. Step 6: Final answer
    x = 262,509.39

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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.