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Finding the Fourth Proportional to 510,195.03, 705,040.19 and 382,649.19

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Solution

The fourth proportional to 510,195.03, 705,040.19 and 382,649.19 is: 528,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,195.03 : 705,040.19 = 382,649.19 : x
  2. Step 2: Convert to fraction form
    510,195.03/705,040.19 = 382,649.19/x
  3. Step 3: Cross multiply
    510,195.03x = 705,040.19 × 382,649.19
  4. Step 4: Simplify right side
    510,195.03x = 269,783,057,620.95
  5. Step 5: Solve for x
    x = 269,783,057,620.95/510,195.03
  6. Step 6: Final answer
    x = 528,784.17

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.