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Finding the Fourth Proportional to 317,055.04, 437,580.48 and 196,235.04

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Solution

The fourth proportional to 317,055.04, 437,580.48 and 196,235.04 is: 270,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,055.04 : 437,580.48 = 196,235.04 : x
  2. Step 2: Convert to fraction form
    317,055.04/437,580.48 = 196,235.04/x
  3. Step 3: Cross multiply
    317,055.04x = 437,580.48 × 196,235.04
  4. Step 4: Simplify right side
    317,055.04x = 85,868,622,996.02
  5. Step 5: Solve for x
    x = 85,868,622,996.02/317,055.04
  6. Step 6: Final answer
    x = 270,831.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.