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Finding the Fourth Proportional to 313,007.36, 432,117.52 and 244,879.52

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Solution

The fourth proportional to 313,007.36, 432,117.52 and 244,879.52 is: 338,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,007.36 : 432,117.52 = 244,879.52 : x
  2. Step 2: Convert to fraction form
    313,007.36/432,117.52 = 244,879.52/x
  3. Step 3: Cross multiply
    313,007.36x = 432,117.52 × 244,879.52
  4. Step 4: Simplify right side
    313,007.36x = 105,816,730,881.19
  5. Step 5: Solve for x
    x = 105,816,730,881.19/313,007.36
  6. Step 6: Final answer
    x = 338,064.67

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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.