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Finding the Fourth Proportional to 433,730.80, 650,596.20 and 407,465.20

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Solution

The fourth proportional to 433,730.80, 650,596.20 and 407,465.20 is: 611,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,730.80 : 650,596.20 = 407,465.20 : x
  2. Step 2: Convert to fraction form
    433,730.80/650,596.20 = 407,465.20/x
  3. Step 3: Cross multiply
    433,730.80x = 650,596.20 × 407,465.20
  4. Step 4: Simplify right side
    433,730.80x = 265,095,310,752.24
  5. Step 5: Solve for x
    x = 265,095,310,752.24/433,730.80
  6. Step 6: Final answer
    x = 611,197.80

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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.