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Finding the Fourth Proportional to 595,557, 821,868.66 and 327,285

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Solution

The fourth proportional to 595,557, 821,868.66 and 327,285 is: 451,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,557 : 821,868.66 = 327,285 : x
  2. Step 2: Convert to fraction form
    595,557/821,868.66 = 327,285/x
  3. Step 3: Cross multiply
    595,557x = 821,868.66 × 327,285
  4. Step 4: Simplify right side
    595,557x = 268,985,284,388.10
  5. Step 5: Solve for x
    x = 268,985,284,388.10/595,557
  6. Step 6: Final answer
    x = 451,653.30

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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.