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Finding the Fourth Proportional to 559,945.60, 839,918.40 and 335,996.80

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Solution

The fourth proportional to 559,945.60, 839,918.40 and 335,996.80 is: 503,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,945.60 : 839,918.40 = 335,996.80 : x
  2. Step 2: Convert to fraction form
    559,945.60/839,918.40 = 335,996.80/x
  3. Step 3: Cross multiply
    559,945.60x = 839,918.40 × 335,996.80
  4. Step 4: Simplify right side
    559,945.60x = 282,209,894,661.12
  5. Step 5: Solve for x
    x = 282,209,894,661.12/559,945.60
  6. Step 6: Final answer
    x = 503,995.20

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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.