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Finding the Fourth Proportional to 224,946.72, 310,225.36 and 186,645.60

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Solution

The fourth proportional to 224,946.72, 310,225.36 and 186,645.60 is: 257,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,946.72 : 310,225.36 = 186,645.60 : x
  2. Step 2: Convert to fraction form
    224,946.72/310,225.36 = 186,645.60/x
  3. Step 3: Cross multiply
    224,946.72x = 310,225.36 × 186,645.60
  4. Step 4: Simplify right side
    224,946.72x = 57,902,198,452.42
  5. Step 5: Solve for x
    x = 57,902,198,452.42/224,946.72
  6. Step 6: Final answer
    x = 257,404.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.