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Finding the Fourth Proportional to 295,259.40, 441,722.70 and 256,249.80

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Solution

The fourth proportional to 295,259.40, 441,722.70 and 256,249.80 is: 383,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,259.40 : 441,722.70 = 256,249.80 : x
  2. Step 2: Convert to fraction form
    295,259.40/441,722.70 = 256,249.80/x
  3. Step 3: Cross multiply
    295,259.40x = 441,722.70 × 256,249.80
  4. Step 4: Simplify right side
    295,259.40x = 113,191,353,530.46
  5. Step 5: Solve for x
    x = 113,191,353,530.46/295,259.40
  6. Step 6: Final answer
    x = 383,362.40

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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.