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Finding the Fourth Proportional to 683,019.44, 942,561.72 and 377,095.76

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Solution

The fourth proportional to 683,019.44, 942,561.72 and 377,095.76 is: 520,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,019.44 : 942,561.72 = 377,095.76 : x
  2. Step 2: Convert to fraction form
    683,019.44/942,561.72 = 377,095.76/x
  3. Step 3: Cross multiply
    683,019.44x = 942,561.72 × 377,095.76
  4. Step 4: Simplify right side
    683,019.44x = 355,436,028,150.31
  5. Step 5: Solve for x
    x = 355,436,028,150.31/683,019.44
  6. Step 6: Final answer
    x = 520,389.33

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