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Finding the Fourth Proportional to 281,805.20, 423,096.60 and 222,707.60

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Solution

The fourth proportional to 281,805.20, 423,096.60 and 222,707.60 is: 334,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,805.20 : 423,096.60 = 222,707.60 : x
  2. Step 2: Convert to fraction form
    281,805.20/423,096.60 = 222,707.60/x
  3. Step 3: Cross multiply
    281,805.20x = 423,096.60 × 222,707.60
  4. Step 4: Simplify right side
    281,805.20x = 94,226,828,354.16
  5. Step 5: Solve for x
    x = 94,226,828,354.16/281,805.20
  6. Step 6: Final answer
    x = 334,368.66

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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.