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Finding the Fourth Proportional to 255,505.46, 383,259.60 and 65,952.87

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Solution

The fourth proportional to 255,505.46, 383,259.60 and 65,952.87 is: 98,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,505.46 : 383,259.60 = 65,952.87 : x
  2. Step 2: Convert to fraction form
    255,505.46/383,259.60 = 65,952.87/x
  3. Step 3: Cross multiply
    255,505.46x = 383,259.60 × 65,952.87
  4. Step 4: Simplify right side
    255,505.46x = 25,277,069,137.83
  5. Step 5: Solve for x
    x = 25,277,069,137.83/255,505.46
  6. Step 6: Final answer
    x = 98,929.67

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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.