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Finding the Fourth Proportional to 480,239.60, 719,858.82 and 180,513.68

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Solution

The fourth proportional to 480,239.60, 719,858.82 and 180,513.68 is: 270,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,239.60 : 719,858.82 = 180,513.68 : x
  2. Step 2: Convert to fraction form
    480,239.60/719,858.82 = 180,513.68/x
  3. Step 3: Cross multiply
    480,239.60x = 719,858.82 × 180,513.68
  4. Step 4: Simplify right side
    480,239.60x = 129,944,364,678.66
  5. Step 5: Solve for x
    x = 129,944,364,678.66/480,239.60
  6. Step 6: Final answer
    x = 270,582.36

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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.