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Finding the Fourth Proportional to 404,892,479.60, 607,338,719.40 and 296,600,793.20

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Solution

The fourth proportional to 404,892,479.60, 607,338,719.40 and 296,600,793.20 is: 444,901,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,892,479.60 : 607,338,719.40 = 296,600,793.20 : x
  2. Step 2: Convert to fraction form
    404,892,479.60/607,338,719.40 = 296,600,793.20/x
  3. Step 3: Cross multiply
    404,892,479.60x = 607,338,719.40 × 296,600,793.20
  4. Step 4: Simplify right side
    404,892,479.60x = 180,137,145,915,112,224
  5. Step 5: Solve for x
    x = 180,137,145,915,112,224/404,892,479.60
  6. Step 6: Final answer
    x = 444,901,189.80

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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.