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Finding the Fourth Proportional to 848,794.36, 1,171,315 and 461,605.20

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Solution

The fourth proportional to 848,794.36, 1,171,315 and 461,605.20 is: 637,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,794.36 : 1,171,315 = 461,605.20 : x
  2. Step 2: Convert to fraction form
    848,794.36/1,171,315 = 461,605.20/x
  3. Step 3: Cross multiply
    848,794.36x = 1,171,315 × 461,605.20
  4. Step 4: Simplify right side
    848,794.36x = 540,685,094,838
  5. Step 5: Solve for x
    x = 540,685,094,838/848,794.36
  6. Step 6: Final answer
    x = 637,003.64

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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.