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Finding the Fourth Proportional to 335,666.56, 503,432.88 and 215,367.52

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Solution

The fourth proportional to 335,666.56, 503,432.88 and 215,367.52 is: 323,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,666.56 : 503,432.88 = 215,367.52 : x
  2. Step 2: Convert to fraction form
    335,666.56/503,432.88 = 215,367.52/x
  3. Step 3: Cross multiply
    335,666.56x = 503,432.88 × 215,367.52
  4. Step 4: Simplify right side
    335,666.56x = 108,423,090,852.06
  5. Step 5: Solve for x
    x = 108,423,090,852.06/335,666.56
  6. Step 6: Final answer
    x = 323,008.32

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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.