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Finding the Fourth Proportional to 673,410.96, 929,282.76 and 371,598.48

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Solution

The fourth proportional to 673,410.96, 929,282.76 and 371,598.48 is: 512,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,410.96 : 929,282.76 = 371,598.48 : x
  2. Step 2: Convert to fraction form
    673,410.96/929,282.76 = 371,598.48/x
  3. Step 3: Cross multiply
    673,410.96x = 929,282.76 × 371,598.48
  4. Step 4: Simplify right side
    673,410.96x = 345,320,061,106.21
  5. Step 5: Solve for x
    x = 345,320,061,106.21/673,410.96
  6. Step 6: Final answer
    x = 512,792.46

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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.