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Finding the Fourth Proportional to 584,571.80, 876,857.70 and 269,643.80

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Solution

The fourth proportional to 584,571.80, 876,857.70 and 269,643.80 is: 404,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,571.80 : 876,857.70 = 269,643.80 : x
  2. Step 2: Convert to fraction form
    584,571.80/876,857.70 = 269,643.80/x
  3. Step 3: Cross multiply
    584,571.80x = 876,857.70 × 269,643.80
  4. Step 4: Simplify right side
    584,571.80x = 236,439,242,287.26
  5. Step 5: Solve for x
    x = 236,439,242,287.26/584,571.80
  6. Step 6: Final answer
    x = 404,465.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.