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Finding the Fourth Proportional to 318,164.47, 477,328.73 and 93,532.24

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Solution

The fourth proportional to 318,164.47, 477,328.73 and 93,532.24 is: 140,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,164.47 : 477,328.73 = 93,532.24 : x
  2. Step 2: Convert to fraction form
    318,164.47/477,328.73 = 93,532.24/x
  3. Step 3: Cross multiply
    318,164.47x = 477,328.73 × 93,532.24
  4. Step 4: Simplify right side
    318,164.47x = 44,645,624,865.59
  5. Step 5: Solve for x
    x = 44,645,624,865.59/318,164.47
  6. Step 6: Final answer
    x = 140,322.47

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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.