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Finding the Fourth Proportional to 469,153.39, 647,500.85 and 297,087.07

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Solution

The fourth proportional to 469,153.39, 647,500.85 and 297,087.07 is: 410,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,153.39 : 647,500.85 = 297,087.07 : x
  2. Step 2: Convert to fraction form
    469,153.39/647,500.85 = 297,087.07/x
  3. Step 3: Cross multiply
    469,153.39x = 647,500.85 × 297,087.07
  4. Step 4: Simplify right side
    469,153.39x = 192,364,130,349.01
  5. Step 5: Solve for x
    x = 192,364,130,349.01/469,153.39
  6. Step 6: Final answer
    x = 410,023.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.