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Finding the Fourth Proportional to 569,730.59, 786,140.87 and 327,966.44

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Solution

The fourth proportional to 569,730.59, 786,140.87 and 327,966.44 is: 452,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,730.59 : 786,140.87 = 327,966.44 : x
  2. Step 2: Convert to fraction form
    569,730.59/786,140.87 = 327,966.44/x
  3. Step 3: Cross multiply
    569,730.59x = 786,140.87 × 327,966.44
  4. Step 4: Simplify right side
    569,730.59x = 257,827,824,437.76
  5. Step 5: Solve for x
    x = 257,827,824,437.76/569,730.59
  6. Step 6: Final answer
    x = 452,543.41

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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.