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Finding the Fourth Proportional to 581,297.60, 871,946.40 and 404,004.80

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Solution

The fourth proportional to 581,297.60, 871,946.40 and 404,004.80 is: 606,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,297.60 : 871,946.40 = 404,004.80 : x
  2. Step 2: Convert to fraction form
    581,297.60/871,946.40 = 404,004.80/x
  3. Step 3: Cross multiply
    581,297.60x = 871,946.40 × 404,004.80
  4. Step 4: Simplify right side
    581,297.60x = 352,270,530,942.72
  5. Step 5: Solve for x
    x = 352,270,530,942.72/581,297.60
  6. Step 6: Final answer
    x = 606,007.20

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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.