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Finding the Fourth Proportional to 424,283.40, 585,365.40 and 263,080.44

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Solution

The fourth proportional to 424,283.40, 585,365.40 and 263,080.44 is: 362,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,283.40 : 585,365.40 = 263,080.44 : x
  2. Step 2: Convert to fraction form
    424,283.40/585,365.40 = 263,080.44/x
  3. Step 3: Cross multiply
    424,283.40x = 585,365.40 × 263,080.44
  4. Step 4: Simplify right side
    424,283.40x = 153,998,186,992.78
  5. Step 5: Solve for x
    x = 153,998,186,992.78/424,283.40
  6. Step 6: Final answer
    x = 362,960.67

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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.