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Finding the Fourth Proportional to 673,321.64, 929,187.06 and 371,515.64

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Solution

The fourth proportional to 673,321.64, 929,187.06 and 371,515.64 is: 512,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,321.64 : 929,187.06 = 371,515.64 : x
  2. Step 2: Convert to fraction form
    673,321.64/929,187.06 = 371,515.64/x
  3. Step 3: Cross multiply
    673,321.64x = 929,187.06 × 371,515.64
  4. Step 4: Simplify right side
    673,321.64x = 345,207,525,275.62
  5. Step 5: Solve for x
    x = 345,207,525,275.62/673,321.64
  6. Step 6: Final answer
    x = 512,693.35

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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.