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Finding the Fourth Proportional to 582,178.56, 873,640.80 and 382,899.84

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Solution

The fourth proportional to 582,178.56, 873,640.80 and 382,899.84 is: 574,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,178.56 : 873,640.80 = 382,899.84 : x
  2. Step 2: Convert to fraction form
    582,178.56/873,640.80 = 382,899.84/x
  3. Step 3: Cross multiply
    582,178.56x = 873,640.80 × 382,899.84
  4. Step 4: Simplify right side
    582,178.56x = 334,516,922,537.47
  5. Step 5: Solve for x
    x = 334,516,922,537.47/582,178.56
  6. Step 6: Final answer
    x = 574,595.06

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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.