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Finding the Fourth Proportional to 364,782.32, 547,366.08 and 258,850.82

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Solution

The fourth proportional to 364,782.32, 547,366.08 and 258,850.82 is: 388,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,782.32 : 547,366.08 = 258,850.82 : x
  2. Step 2: Convert to fraction form
    364,782.32/547,366.08 = 258,850.82/x
  3. Step 3: Cross multiply
    364,782.32x = 547,366.08 × 258,850.82
  4. Step 4: Simplify right side
    364,782.32x = 141,686,158,648.19
  5. Step 5: Solve for x
    x = 141,686,158,648.19/364,782.32
  6. Step 6: Final answer
    x = 388,412.90

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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.