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Finding the Fourth Proportional to 513,573.81, 708,829.16 and 344,102.37

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Solution

The fourth proportional to 513,573.81, 708,829.16 and 344,102.37 is: 474,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,573.81 : 708,829.16 = 344,102.37 : x
  2. Step 2: Convert to fraction form
    513,573.81/708,829.16 = 344,102.37/x
  3. Step 3: Cross multiply
    513,573.81x = 708,829.16 × 344,102.37
  4. Step 4: Simplify right side
    513,573.81x = 243,909,792,160.60
  5. Step 5: Solve for x
    x = 243,909,792,160.60/513,573.81
  6. Step 6: Final answer
    x = 474,926.46

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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.