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Finding the Fourth Proportional to 283,477,355.40, 425,216,033.10 and 191,644,350.60

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Solution

The fourth proportional to 283,477,355.40, 425,216,033.10 and 191,644,350.60 is: 287,466,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,477,355.40 : 425,216,033.10 = 191,644,350.60 : x
  2. Step 2: Convert to fraction form
    283,477,355.40/425,216,033.10 = 191,644,350.60/x
  3. Step 3: Cross multiply
    283,477,355.40x = 425,216,033.10 × 191,644,350.60
  4. Step 4: Simplify right side
    283,477,355.40x = 81,490,250,528,157,600
  5. Step 5: Solve for x
    x = 81,490,250,528,157,600/283,477,355.40
  6. Step 6: Final answer
    x = 287,466,525.90

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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.