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Finding the Fourth Proportional to 333,669,019.20, 500,503,528.80 and 320,064,129.60

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Solution

The fourth proportional to 333,669,019.20, 500,503,528.80 and 320,064,129.60 is: 480,096,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,669,019.20 : 500,503,528.80 = 320,064,129.60 : x
  2. Step 2: Convert to fraction form
    333,669,019.20/500,503,528.80 = 320,064,129.60/x
  3. Step 3: Cross multiply
    333,669,019.20x = 500,503,528.80 × 320,064,129.60
  4. Step 4: Simplify right side
    333,669,019.20x = 160,193,226,307,100,544
  5. Step 5: Solve for x
    x = 160,193,226,307,100,544/333,669,019.20
  6. Step 6: Final answer
    x = 480,096,194.40

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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.