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Finding the Fourth Proportional to 670,872.34, 925,803.84 and 369,066.34

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Solution

The fourth proportional to 670,872.34, 925,803.84 and 369,066.34 is: 509,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,872.34 : 925,803.84 = 369,066.34 : x
  2. Step 2: Convert to fraction form
    670,872.34/925,803.84 = 369,066.34/x
  3. Step 3: Cross multiply
    670,872.34x = 925,803.84 × 369,066.34
  4. Step 4: Simplify right side
    670,872.34x = 341,683,034,786.75
  5. Step 5: Solve for x
    x = 341,683,034,786.75/670,872.34
  6. Step 6: Final answer
    x = 509,311.56

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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.