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Finding the Fourth Proportional to 509,572.55, 703,278.33 and 328,810.01

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Solution

The fourth proportional to 509,572.55, 703,278.33 and 328,810.01 is: 453,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,572.55 : 703,278.33 = 328,810.01 : x
  2. Step 2: Convert to fraction form
    509,572.55/703,278.33 = 328,810.01/x
  3. Step 3: Cross multiply
    509,572.55x = 703,278.33 × 328,810.01
  4. Step 4: Simplify right side
    509,572.55x = 231,244,953,076.03
  5. Step 5: Solve for x
    x = 231,244,953,076.03/509,572.55
  6. Step 6: Final answer
    x = 453,801.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.