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Finding the Fourth Proportional to 322,984,925.60, 484,477,388.40 and 300,026,674.40

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Solution

The fourth proportional to 322,984,925.60, 484,477,388.40 and 300,026,674.40 is: 450,040,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,984,925.60 : 484,477,388.40 = 300,026,674.40 : x
  2. Step 2: Convert to fraction form
    322,984,925.60/484,477,388.40 = 300,026,674.40/x
  3. Step 3: Cross multiply
    322,984,925.60x = 484,477,388.40 × 300,026,674.40
  4. Step 4: Simplify right side
    322,984,925.60x = 145,356,139,663,649,120
  5. Step 5: Solve for x
    x = 145,356,139,663,649,120/322,984,925.60
  6. Step 6: Final answer
    x = 450,040,011.60

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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.