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Finding the Fourth Proportional to 216,274.38, 324,411.39 and 157,484.04

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Solution

The fourth proportional to 216,274.38, 324,411.39 and 157,484.04 is: 236,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,274.38 : 324,411.39 = 157,484.04 : x
  2. Step 2: Convert to fraction form
    216,274.38/324,411.39 = 157,484.04/x
  3. Step 3: Cross multiply
    216,274.38x = 324,411.39 × 157,484.04
  4. Step 4: Simplify right side
    216,274.38x = 51,089,616,319.22
  5. Step 5: Solve for x
    x = 51,089,616,319.22/216,274.38
  6. Step 6: Final answer
    x = 236,225.93

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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.