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Finding the Fourth Proportional to 673,301.64, 929,159.46 and 371,495.64

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Solution

The fourth proportional to 673,301.64, 929,159.46 and 371,495.64 is: 512,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,301.64 : 929,159.46 = 371,495.64 : x
  2. Step 2: Convert to fraction form
    673,301.64/929,159.46 = 371,495.64/x
  3. Step 3: Cross multiply
    673,301.64x = 929,159.46 × 371,495.64
  4. Step 4: Simplify right side
    673,301.64x = 345,178,688,254.75
  5. Step 5: Solve for x
    x = 345,178,688,254.75/673,301.64
  6. Step 6: Final answer
    x = 512,665.75

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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.