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Finding the Fourth Proportional to 364,559.80, 546,839.70 and 311,415.70

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Solution

The fourth proportional to 364,559.80, 546,839.70 and 311,415.70 is: 467,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,559.80 : 546,839.70 = 311,415.70 : x
  2. Step 2: Convert to fraction form
    364,559.80/546,839.70 = 311,415.70/x
  3. Step 3: Cross multiply
    364,559.80x = 546,839.70 × 311,415.70
  4. Step 4: Simplify right side
    364,559.80x = 170,294,467,963.29
  5. Step 5: Solve for x
    x = 170,294,467,963.29/364,559.80
  6. Step 6: Final answer
    x = 467,123.55

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1.5x scale

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.