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Finding the Fourth Proportional to 488,361,620.40, 732,542,430.60 and 333,393,424.80

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Solution

The fourth proportional to 488,361,620.40, 732,542,430.60 and 333,393,424.80 is: 500,090,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,361,620.40 : 732,542,430.60 = 333,393,424.80 : x
  2. Step 2: Convert to fraction form
    488,361,620.40/732,542,430.60 = 333,393,424.80/x
  3. Step 3: Cross multiply
    488,361,620.40x = 732,542,430.60 × 333,393,424.80
  4. Step 4: Simplify right side
    488,361,620.40x = 244,224,829,749,050,336
  5. Step 5: Solve for x
    x = 244,224,829,749,050,336/488,361,620.40
  6. Step 6: Final answer
    x = 500,090,137.20

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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.