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Finding the Fourth Proportional to 673,323.64, 929,189.82 and 371,517.64

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Solution

The fourth proportional to 673,323.64, 929,189.82 and 371,517.64 is: 512,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,323.64 : 929,189.82 = 371,517.64 : x
  2. Step 2: Convert to fraction form
    673,323.64/929,189.82 = 371,517.64/x
  3. Step 3: Cross multiply
    673,323.64x = 929,189.82 × 371,517.64
  4. Step 4: Simplify right side
    673,323.64x = 345,210,409,038.43
  5. Step 5: Solve for x
    x = 345,210,409,038.43/673,323.64
  6. Step 6: Final answer
    x = 512,696.11

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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.