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Finding the Fourth Proportional to 569,606.08, 785,942.60 and 314,908

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Solution

The fourth proportional to 569,606.08, 785,942.60 and 314,908 is: 434,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,606.08 : 785,942.60 = 314,908 : x
  2. Step 2: Convert to fraction form
    569,606.08/785,942.60 = 314,908/x
  3. Step 3: Cross multiply
    569,606.08x = 785,942.60 × 314,908
  4. Step 4: Simplify right side
    569,606.08x = 247,499,612,280.80
  5. Step 5: Solve for x
    x = 247,499,612,280.80/569,606.08
  6. Step 6: Final answer
    x = 434,510.13

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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.