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Finding the Fourth Proportional to 313,603.04, 472,719.02 and 295,313.60

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Solution

The fourth proportional to 313,603.04, 472,719.02 and 295,313.60 is: 445,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,603.04 : 472,719.02 = 295,313.60 : x
  2. Step 2: Convert to fraction form
    313,603.04/472,719.02 = 295,313.60/x
  3. Step 3: Cross multiply
    313,603.04x = 472,719.02 × 295,313.60
  4. Step 4: Simplify right side
    313,603.04x = 139,600,355,584.67
  5. Step 5: Solve for x
    x = 139,600,355,584.67/313,603.04
  6. Step 6: Final answer
    x = 445,149.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.