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Finding the Fourth Proportional to 669,002.58, 923,989.82 and 440,580.94

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Solution

The fourth proportional to 669,002.58, 923,989.82 and 440,580.94 is: 608,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,002.58 : 923,989.82 = 440,580.94 : x
  2. Step 2: Convert to fraction form
    669,002.58/923,989.82 = 440,580.94/x
  3. Step 3: Cross multiply
    669,002.58x = 923,989.82 × 440,580.94
  4. Step 4: Simplify right side
    669,002.58x = 407,092,298,933.15
  5. Step 5: Solve for x
    x = 407,092,298,933.15/669,002.58
  6. Step 6: Final answer
    x = 608,506.32

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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.