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Finding the Fourth Proportional to 444,430.30, 668,200.65 and 435,099.10

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Solution

The fourth proportional to 444,430.30, 668,200.65 and 435,099.10 is: 654,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,430.30 : 668,200.65 = 435,099.10 : x
  2. Step 2: Convert to fraction form
    444,430.30/668,200.65 = 435,099.10/x
  3. Step 3: Cross multiply
    444,430.30x = 668,200.65 × 435,099.10
  4. Step 4: Simplify right side
    444,430.30x = 290,733,501,434.42
  5. Step 5: Solve for x
    x = 290,733,501,434.42/444,430.30
  6. Step 6: Final answer
    x = 654,171.20

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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.