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Finding the Fourth Proportional to 500,536.40, 750,798.28 and 121,460.25

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Solution

The fourth proportional to 500,536.40, 750,798.28 and 121,460.25 is: 182,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,536.40 : 750,798.28 = 121,460.25 : x
  2. Step 2: Convert to fraction form
    500,536.40/750,798.28 = 121,460.25/x
  3. Step 3: Cross multiply
    500,536.40x = 750,798.28 × 121,460.25
  4. Step 4: Simplify right side
    500,536.40x = 91,192,146,484.72
  5. Step 5: Solve for x
    x = 91,192,146,484.72/500,536.40
  6. Step 6: Final answer
    x = 182,188.84

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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.