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Finding the Fourth Proportional to 295,301.90, 441,786.45 and 256,292.30

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Solution

The fourth proportional to 295,301.90, 441,786.45 and 256,292.30 is: 383,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,301.90 : 441,786.45 = 256,292.30 : x
  2. Step 2: Convert to fraction form
    295,301.90/441,786.45 = 256,292.30/x
  3. Step 3: Cross multiply
    295,301.90x = 441,786.45 × 256,292.30
  4. Step 4: Simplify right side
    295,301.90x = 113,226,465,379.34
  5. Step 5: Solve for x
    x = 113,226,465,379.34/295,301.90
  6. Step 6: Final answer
    x = 383,426.13

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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.