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Finding the Fourth Proportional to 584,858.75, 875,292.14 and 490,195.80

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Solution

The fourth proportional to 584,858.75, 875,292.14 and 490,195.80 is: 733,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,858.75 : 875,292.14 = 490,195.80 : x
  2. Step 2: Convert to fraction form
    584,858.75/875,292.14 = 490,195.80/x
  3. Step 3: Cross multiply
    584,858.75x = 875,292.14 × 490,195.80
  4. Step 4: Simplify right side
    584,858.75x = 429,064,532,026.50
  5. Step 5: Solve for x
    x = 429,064,532,026.50/584,858.75
  6. Step 6: Final answer
    x = 733,620.79

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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.