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Finding the Fourth Proportional to 283,095.30, 390,626.91 and 162,213.33

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Solution

The fourth proportional to 283,095.30, 390,626.91 and 162,213.33 is: 223,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,095.30 : 390,626.91 = 162,213.33 : x
  2. Step 2: Convert to fraction form
    283,095.30/390,626.91 = 162,213.33/x
  3. Step 3: Cross multiply
    283,095.30x = 390,626.91 × 162,213.33
  4. Step 4: Simplify right side
    283,095.30x = 63,364,891,858.71
  5. Step 5: Solve for x
    x = 63,364,891,858.71/283,095.30
  6. Step 6: Final answer
    x = 223,828.84

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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.