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Finding the Fourth Proportional to 312,583.75, 468,875.63 and 75,924.83

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Solution

The fourth proportional to 312,583.75, 468,875.63 and 75,924.83 is: 113,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,583.75 : 468,875.63 = 75,924.83 : x
  2. Step 2: Convert to fraction form
    312,583.75/468,875.63 = 75,924.83/x
  3. Step 3: Cross multiply
    312,583.75x = 468,875.63 × 75,924.83
  4. Step 4: Simplify right side
    312,583.75x = 35,599,303,291.46
  5. Step 5: Solve for x
    x = 35,599,303,291.46/312,583.75
  6. Step 6: Final answer
    x = 113,887.25

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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.