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Finding the Fourth Proportional to 590,669.60, 886,004.40 and 353,890.40

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Solution

The fourth proportional to 590,669.60, 886,004.40 and 353,890.40 is: 530,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,669.60 : 886,004.40 = 353,890.40 : x
  2. Step 2: Convert to fraction form
    590,669.60/886,004.40 = 353,890.40/x
  3. Step 3: Cross multiply
    590,669.60x = 886,004.40 × 353,890.40
  4. Step 4: Simplify right side
    590,669.60x = 313,548,451,517.76
  5. Step 5: Solve for x
    x = 313,548,451,517.76/590,669.60
  6. Step 6: Final answer
    x = 530,835.60

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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.