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Finding the Fourth Proportional to 366,873.70, 513,973.10 and 366,873.70

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Solution

The fourth proportional to 366,873.70, 513,973.10 and 366,873.70 is: 513,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,873.70 : 513,973.10 = 366,873.70 : x
  2. Step 2: Convert to fraction form
    366,873.70/513,973.10 = 366,873.70/x
  3. Step 3: Cross multiply
    366,873.70x = 513,973.10 × 366,873.70
  4. Step 4: Simplify right side
    366,873.70x = 188,563,212,897.47
  5. Step 5: Solve for x
    x = 188,563,212,897.47/366,873.70
  6. Step 6: Final answer
    x = 513,973.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.