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Finding the Fourth Proportional to 569,898.55, 786,391.50 and 328,259.71

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Solution

The fourth proportional to 569,898.55, 786,391.50 and 328,259.71 is: 452,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,898.55 : 786,391.50 = 328,259.71 : x
  2. Step 2: Convert to fraction form
    569,898.55/786,391.50 = 328,259.71/x
  3. Step 3: Cross multiply
    569,898.55x = 786,391.50 × 328,259.71
  4. Step 4: Simplify right side
    569,898.55x = 258,140,645,736.47
  5. Step 5: Solve for x
    x = 258,140,645,736.47/569,898.55
  6. Step 6: Final answer
    x = 452,958.94

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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.