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Finding the Fourth Proportional to 304,569.47, 420,110.91 and 244,284.81

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Solution

The fourth proportional to 304,569.47, 420,110.91 and 244,284.81 is: 336,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,569.47 : 420,110.91 = 244,284.81 : x
  2. Step 2: Convert to fraction form
    304,569.47/420,110.91 = 244,284.81/x
  3. Step 3: Cross multiply
    304,569.47x = 420,110.91 × 244,284.81
  4. Step 4: Simplify right side
    304,569.47x = 102,626,713,828.28
  5. Step 5: Solve for x
    x = 102,626,713,828.28/304,569.47
  6. Step 6: Final answer
    x = 336,956.67

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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.