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Finding the Fourth Proportional to 669,969.48, 924,555.87 and 364,046.79

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Solution

The fourth proportional to 669,969.48, 924,555.87 and 364,046.79 is: 502,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,969.48 : 924,555.87 = 364,046.79 : x
  2. Step 2: Convert to fraction form
    669,969.48/924,555.87 = 364,046.79/x
  3. Step 3: Cross multiply
    669,969.48x = 924,555.87 × 364,046.79
  4. Step 4: Simplify right side
    669,969.48x = 336,581,596,649.16
  5. Step 5: Solve for x
    x = 336,581,596,649.16/669,969.48
  6. Step 6: Final answer
    x = 502,383.48

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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.