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Finding the Fourth Proportional to 502,574.02, 693,559.06 and 273,135.85

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Solution

The fourth proportional to 502,574.02, 693,559.06 and 273,135.85 is: 376,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,574.02 : 693,559.06 = 273,135.85 : x
  2. Step 2: Convert to fraction form
    502,574.02/693,559.06 = 273,135.85/x
  3. Step 3: Cross multiply
    502,574.02x = 693,559.06 × 273,135.85
  4. Step 4: Simplify right side
    502,574.02x = 189,435,840,961.56
  5. Step 5: Solve for x
    x = 189,435,840,961.56/502,574.02
  6. Step 6: Final answer
    x = 376,931.23

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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.