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Finding the Fourth Proportional to 531,794.85, 734,147.90 and 410,664.21

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Solution

The fourth proportional to 531,794.85, 734,147.90 and 410,664.21 is: 566,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,794.85 : 734,147.90 = 410,664.21 : x
  2. Step 2: Convert to fraction form
    531,794.85/734,147.90 = 410,664.21/x
  3. Step 3: Cross multiply
    531,794.85x = 734,147.90 × 410,664.21
  4. Step 4: Simplify right side
    531,794.85x = 301,488,267,376.66
  5. Step 5: Solve for x
    x = 301,488,267,376.66/531,794.85
  6. Step 6: Final answer
    x = 566,925.89

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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.