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Finding the Fourth Proportional to 339,289.89, 468,011.70 and 243,924.54

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Solution

The fourth proportional to 339,289.89, 468,011.70 and 243,924.54 is: 336,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,289.89 : 468,011.70 = 243,924.54 : x
  2. Step 2: Convert to fraction form
    339,289.89/468,011.70 = 243,924.54/x
  3. Step 3: Cross multiply
    339,289.89x = 468,011.70 × 243,924.54
  4. Step 4: Simplify right side
    339,289.89x = 114,159,538,637.12
  5. Step 5: Solve for x
    x = 114,159,538,637.12/339,289.89
  6. Step 6: Final answer
    x = 336,466.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.