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Finding the Fourth Proportional to 302,553,993.15, 453,830,989.73 and 302,553,993.15

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Solution

The fourth proportional to 302,553,993.15, 453,830,989.73 and 302,553,993.15 is: 453,830,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,553,993.15 : 453,830,989.73 = 302,553,993.15 : x
  2. Step 2: Convert to fraction form
    302,553,993.15/453,830,989.73 = 302,553,993.15/x
  3. Step 3: Cross multiply
    302,553,993.15x = 453,830,989.73 × 302,553,993.15
  4. Step 4: Simplify right side
    302,553,993.15x = 137,308,378,156,515,360
  5. Step 5: Solve for x
    x = 137,308,378,156,515,360/302,553,993.15
  6. Step 6: Final answer
    x = 453,830,989.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.