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Finding the Fourth Proportional to 673,698.97, 929,665.11 and 367,714.72

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Solution

The fourth proportional to 673,698.97, 929,665.11 and 367,714.72 is: 507,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,698.97 : 929,665.11 = 367,714.72 : x
  2. Step 2: Convert to fraction form
    673,698.97/929,665.11 = 367,714.72/x
  3. Step 3: Cross multiply
    673,698.97x = 929,665.11 × 367,714.72
  4. Step 4: Simplify right side
    673,698.97x = 341,851,545,617.42
  5. Step 5: Solve for x
    x = 341,851,545,617.42/673,698.97
  6. Step 6: Final answer
    x = 507,424.77

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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.