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Finding the Fourth Proportional to 844,417.44, 1,266,678 and 371,325.60

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Solution

The fourth proportional to 844,417.44, 1,266,678 and 371,325.60 is: 557,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,417.44 : 1,266,678 = 371,325.60 : x
  2. Step 2: Convert to fraction form
    844,417.44/1,266,678 = 371,325.60/x
  3. Step 3: Cross multiply
    844,417.44x = 1,266,678 × 371,325.60
  4. Step 4: Simplify right side
    844,417.44x = 470,349,968,356.80
  5. Step 5: Solve for x
    x = 470,349,968,356.80/844,417.44
  6. Step 6: Final answer
    x = 557,011.20

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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.