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Finding the Fourth Proportional to 617,486.09, 852,028.07 and 362,886.48

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Solution

The fourth proportional to 617,486.09, 852,028.07 and 362,886.48 is: 500,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,486.09 : 852,028.07 = 362,886.48 : x
  2. Step 2: Convert to fraction form
    617,486.09/852,028.07 = 362,886.48/x
  3. Step 3: Cross multiply
    617,486.09x = 852,028.07 × 362,886.48
  4. Step 4: Simplify right side
    617,486.09x = 309,189,465,369.06
  5. Step 5: Solve for x
    x = 309,189,465,369.06/617,486.09
  6. Step 6: Final answer
    x = 500,722.97

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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.