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Finding the Fourth Proportional to 583,911.60, 875,896.20 and 303,975.60

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Solution

The fourth proportional to 583,911.60, 875,896.20 and 303,975.60 is: 455,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,911.60 : 875,896.20 = 303,975.60 : x
  2. Step 2: Convert to fraction form
    583,911.60/875,896.20 = 303,975.60/x
  3. Step 3: Cross multiply
    583,911.60x = 875,896.20 × 303,975.60
  4. Step 4: Simplify right side
    583,911.60x = 266,251,072,932.72
  5. Step 5: Solve for x
    x = 266,251,072,932.72/583,911.60
  6. Step 6: Final answer
    x = 455,978.39

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Double scale
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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.