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Finding the Fourth Proportional to 535,010.40, 802,634.40 and 180,014.40

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Solution

The fourth proportional to 535,010.40, 802,634.40 and 180,014.40 is: 270,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,010.40 : 802,634.40 = 180,014.40 : x
  2. Step 2: Convert to fraction form
    535,010.40/802,634.40 = 180,014.40/x
  3. Step 3: Cross multiply
    535,010.40x = 802,634.40 × 180,014.40
  4. Step 4: Simplify right side
    535,010.40x = 144,485,749,935.36
  5. Step 5: Solve for x
    x = 144,485,749,935.36/535,010.40
  6. Step 6: Final answer
    x = 270,061.57

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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.