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Finding the Fourth Proportional to 333,889.60, 500,834.40 and 209,473.60

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Solution

The fourth proportional to 333,889.60, 500,834.40 and 209,473.60 is: 314,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,889.60 : 500,834.40 = 209,473.60 : x
  2. Step 2: Convert to fraction form
    333,889.60/500,834.40 = 209,473.60/x
  3. Step 3: Cross multiply
    333,889.60x = 500,834.40 × 209,473.60
  4. Step 4: Simplify right side
    333,889.60x = 104,911,584,771.84
  5. Step 5: Solve for x
    x = 104,911,584,771.84/333,889.60
  6. Step 6: Final answer
    x = 314,210.40

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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.