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Finding the Fourth Proportional to 431,076.45, 594,903.79 and 240,089.79

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Solution

The fourth proportional to 431,076.45, 594,903.79 and 240,089.79 is: 331,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,076.45 : 594,903.79 = 240,089.79 : x
  2. Step 2: Convert to fraction form
    431,076.45/594,903.79 = 240,089.79/x
  3. Step 3: Cross multiply
    431,076.45x = 594,903.79 × 240,089.79
  4. Step 4: Simplify right side
    431,076.45x = 142,830,326,011.30
  5. Step 5: Solve for x
    x = 142,830,326,011.30/431,076.45
  6. Step 6: Final answer
    x = 331,334.10

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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.