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Finding the Fourth Proportional to 294,018.80, 440,153.40 and 194,291.60

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Solution

The fourth proportional to 294,018.80, 440,153.40 and 194,291.60 is: 290,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,018.80 : 440,153.40 = 194,291.60 : x
  2. Step 2: Convert to fraction form
    294,018.80/440,153.40 = 194,291.60/x
  3. Step 3: Cross multiply
    294,018.80x = 440,153.40 × 194,291.60
  4. Step 4: Simplify right side
    294,018.80x = 85,518,108,331.44
  5. Step 5: Solve for x
    x = 85,518,108,331.44/294,018.80
  6. Step 6: Final answer
    x = 290,859.32

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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.