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Finding the Fourth Proportional to 965,574, 1,332,522.42 and 557,668.26

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Solution

The fourth proportional to 965,574, 1,332,522.42 and 557,668.26 is: 769,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,574 : 1,332,522.42 = 557,668.26 : x
  2. Step 2: Convert to fraction form
    965,574/1,332,522.42 = 557,668.26/x
  3. Step 3: Cross multiply
    965,574x = 1,332,522.42 × 557,668.26
  4. Step 4: Simplify right side
    965,574x = 743,105,459,372.39
  5. Step 5: Solve for x
    x = 743,105,459,372.39/965,574
  6. Step 6: Final answer
    x = 769,599.70

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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.