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Finding the Fourth Proportional to 585,661.36, 808,299.36 and 370,821.36

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Solution

The fourth proportional to 585,661.36, 808,299.36 and 370,821.36 is: 511,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,661.36 : 808,299.36 = 370,821.36 : x
  2. Step 2: Convert to fraction form
    585,661.36/808,299.36 = 370,821.36/x
  3. Step 3: Cross multiply
    585,661.36x = 808,299.36 × 370,821.36
  4. Step 4: Simplify right side
    585,661.36x = 299,734,667,962.33
  5. Step 5: Solve for x
    x = 299,734,667,962.33/585,661.36
  6. Step 6: Final answer
    x = 511,788.36

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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.