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Finding the Fourth Proportional to 303,695,880.86, 455,621,503.56 and 88,285,128.86

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Solution

The fourth proportional to 303,695,880.86, 455,621,503.56 and 88,285,128.86 is: 132,450,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,695,880.86 : 455,621,503.56 = 88,285,128.86 : x
  2. Step 2: Convert to fraction form
    303,695,880.86/455,621,503.56 = 88,285,128.86/x
  3. Step 3: Cross multiply
    303,695,880.86x = 455,621,503.56 × 88,285,128.86
  4. Step 4: Simplify right side
    303,695,880.86x = 40,224,603,153,181,552
  5. Step 5: Solve for x
    x = 40,224,603,153,181,552/303,695,880.86
  6. Step 6: Final answer
    x = 132,450,275.71

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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.