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Finding the Fourth Proportional to 322,984,946.60, 484,477,419.90 and 300,026,695.40

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Solution

The fourth proportional to 322,984,946.60, 484,477,419.90 and 300,026,695.40 is: 450,040,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,984,946.60 : 484,477,419.90 = 300,026,695.40 : x
  2. Step 2: Convert to fraction form
    322,984,946.60/484,477,419.90 = 300,026,695.40/x
  3. Step 3: Cross multiply
    322,984,946.60x = 484,477,419.90 × 300,026,695.40
  4. Step 4: Simplify right side
    322,984,946.60x = 145,356,159,288,515,168
  5. Step 5: Solve for x
    x = 145,356,159,288,515,168/322,984,946.60
  6. Step 6: Final answer
    x = 450,040,043.10

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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.