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Finding the Fourth Proportional to 405,592.66, 559,707.59 and 224,299.76

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Solution

The fourth proportional to 405,592.66, 559,707.59 and 224,299.76 is: 309,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,592.66 : 559,707.59 = 224,299.76 : x
  2. Step 2: Convert to fraction form
    405,592.66/559,707.59 = 224,299.76/x
  3. Step 3: Cross multiply
    405,592.66x = 559,707.59 × 224,299.76
  4. Step 4: Simplify right side
    405,592.66x = 125,542,276,985.68
  5. Step 5: Solve for x
    x = 125,542,276,985.68/405,592.66
  6. Step 6: Final answer
    x = 309,527.98

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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.