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Finding the Fourth Proportional to 355,606.40, 533,409.60 and 106,288.40

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Solution

The fourth proportional to 355,606.40, 533,409.60 and 106,288.40 is: 159,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,606.40 : 533,409.60 = 106,288.40 : x
  2. Step 2: Convert to fraction form
    355,606.40/533,409.60 = 106,288.40/x
  3. Step 3: Cross multiply
    355,606.40x = 533,409.60 × 106,288.40
  4. Step 4: Simplify right side
    355,606.40x = 56,695,252,928.64
  5. Step 5: Solve for x
    x = 56,695,252,928.64/355,606.40
  6. Step 6: Final answer
    x = 159,432.60

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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.