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Finding the Fourth Proportional to 294,019.40, 441,029.10 and 291,945.80

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Solution

The fourth proportional to 294,019.40, 441,029.10 and 291,945.80 is: 437,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,019.40 : 441,029.10 = 291,945.80 : x
  2. Step 2: Convert to fraction form
    294,019.40/441,029.10 = 291,945.80/x
  3. Step 3: Cross multiply
    294,019.40x = 441,029.10 × 291,945.80
  4. Step 4: Simplify right side
    294,019.40x = 128,756,593,422.78
  5. Step 5: Solve for x
    x = 128,756,593,422.78/294,019.40
  6. Step 6: Final answer
    x = 437,918.70

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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.