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Finding the Fourth Proportional to 500,590.46, 750,886.00 and 121,511.75

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Solution

The fourth proportional to 500,590.46, 750,886.00 and 121,511.75 is: 182,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,590.46 : 750,886.00 = 121,511.75 : x
  2. Step 2: Convert to fraction form
    500,590.46/750,886.00 = 121,511.75/x
  3. Step 3: Cross multiply
    500,590.46x = 750,886.00 × 121,511.75
  4. Step 4: Simplify right side
    500,590.46x = 91,241,467,852.29
  5. Step 5: Solve for x
    x = 91,241,467,852.29/500,590.46
  6. Step 6: Final answer
    x = 182,267.69

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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.