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Finding the Fourth Proportional to 382,863.68, 528,351.88 and 213,094.16

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Solution

The fourth proportional to 382,863.68, 528,351.88 and 213,094.16 is: 294,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,863.68 : 528,351.88 = 213,094.16 : x
  2. Step 2: Convert to fraction form
    382,863.68/528,351.88 = 213,094.16/x
  3. Step 3: Cross multiply
    382,863.68x = 528,351.88 × 213,094.16
  4. Step 4: Simplify right side
    382,863.68x = 112,588,700,053.02
  5. Step 5: Solve for x
    x = 112,588,700,053.02/382,863.68
  6. Step 6: Final answer
    x = 294,069.94

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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.