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Finding the Fourth Proportional to 669,000.03, 923,086.47 and 407,179.96

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Solution

The fourth proportional to 669,000.03, 923,086.47 and 407,179.96 is: 561,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,000.03 : 923,086.47 = 407,179.96 : x
  2. Step 2: Convert to fraction form
    669,000.03/923,086.47 = 407,179.96/x
  3. Step 3: Cross multiply
    669,000.03x = 923,086.47 × 407,179.96
  4. Step 4: Simplify right side
    669,000.03x = 375,862,311,931.14
  5. Step 5: Solve for x
    x = 375,862,311,931.14/669,000.03
  6. Step 6: Final answer
    x = 561,827.05

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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.