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Finding the Fourth Proportional to 404,892,465.60, 607,338,698.40 and 296,600,779.20

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Solution

The fourth proportional to 404,892,465.60, 607,338,698.40 and 296,600,779.20 is: 444,901,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,892,465.60 : 607,338,698.40 = 296,600,779.20 : x
  2. Step 2: Convert to fraction form
    404,892,465.60/607,338,698.40 = 296,600,779.20/x
  3. Step 3: Cross multiply
    404,892,465.60x = 607,338,698.40 × 296,600,779.20
  4. Step 4: Simplify right side
    404,892,465.60x = 180,137,131,183,753,792
  5. Step 5: Solve for x
    x = 180,137,131,183,753,792/404,892,465.60
  6. Step 6: Final answer
    x = 444,901,168.80

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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.