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Finding the Fourth Proportional to 669,564.89, 924,146.67 and 440,143.37

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Solution

The fourth proportional to 669,564.89, 924,146.67 and 440,143.37 is: 607,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,564.89 : 924,146.67 = 440,143.37 : x
  2. Step 2: Convert to fraction form
    669,564.89/924,146.67 = 440,143.37/x
  3. Step 3: Cross multiply
    669,564.89x = 924,146.67 × 440,143.37
  4. Step 4: Simplify right side
    669,564.89x = 406,757,032,018.45
  5. Step 5: Solve for x
    x = 406,757,032,018.45/669,564.89
  6. Step 6: Final answer
    x = 607,494.56

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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.