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Finding the Fourth Proportional to 405,527.33, 559,619.53 and 224,246.90

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Solution

The fourth proportional to 405,527.33, 559,619.53 and 224,246.90 is: 309,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,527.33 : 559,619.53 = 224,246.90 : x
  2. Step 2: Convert to fraction form
    405,527.33/559,619.53 = 224,246.90/x
  3. Step 3: Cross multiply
    405,527.33x = 559,619.53 × 224,246.90
  4. Step 4: Simplify right side
    405,527.33x = 125,492,944,781.96
  5. Step 5: Solve for x
    x = 125,492,944,781.96/405,527.33
  6. Step 6: Final answer
    x = 309,456.20

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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.