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Finding the Fourth Proportional to 444,099.90, 666,149.85 and 355,526.40

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Solution

The fourth proportional to 444,099.90, 666,149.85 and 355,526.40 is: 533,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,099.90 : 666,149.85 = 355,526.40 : x
  2. Step 2: Convert to fraction form
    444,099.90/666,149.85 = 355,526.40/x
  3. Step 3: Cross multiply
    444,099.90x = 666,149.85 × 355,526.40
  4. Step 4: Simplify right side
    444,099.90x = 236,833,858,031.04
  5. Step 5: Solve for x
    x = 236,833,858,031.04/444,099.90
  6. Step 6: Final answer
    x = 533,289.60

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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.