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Finding the Fourth Proportional to 616,039.63, 850,966.77 and 464,225.38

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Solution

The fourth proportional to 616,039.63, 850,966.77 and 464,225.38 is: 641,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,039.63 : 850,966.77 = 464,225.38 : x
  2. Step 2: Convert to fraction form
    616,039.63/850,966.77 = 464,225.38/x
  3. Step 3: Cross multiply
    616,039.63x = 850,966.77 × 464,225.38
  4. Step 4: Simplify right side
    616,039.63x = 395,040,372,170.62
  5. Step 5: Solve for x
    x = 395,040,372,170.62/616,039.63
  6. Step 6: Final answer
    x = 641,258.05

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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.