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Finding the Fourth Proportional to 535,515.29, 802,712.51 and 180,406.63

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Solution

The fourth proportional to 535,515.29, 802,712.51 and 180,406.63 is: 270,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,515.29 : 802,712.51 = 180,406.63 : x
  2. Step 2: Convert to fraction form
    535,515.29/802,712.51 = 180,406.63/x
  3. Step 3: Cross multiply
    535,515.29x = 802,712.51 × 180,406.63
  4. Step 4: Simplify right side
    535,515.29x = 144,814,658,787.94
  5. Step 5: Solve for x
    x = 144,814,658,787.94/535,515.29
  6. Step 6: Final answer
    x = 270,421.15

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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.