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Finding the Fourth Proportional to 672,656.16, 927,301 and 529,167.08

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Solution

The fourth proportional to 672,656.16, 927,301 and 529,167.08 is: 729,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,656.16 : 927,301 = 529,167.08 : x
  2. Step 2: Convert to fraction form
    672,656.16/927,301 = 529,167.08/x
  3. Step 3: Cross multiply
    672,656.16x = 927,301 × 529,167.08
  4. Step 4: Simplify right side
    672,656.16x = 490,697,162,451.08
  5. Step 5: Solve for x
    x = 490,697,162,451.08/672,656.16
  6. Step 6: Final answer
    x = 729,491.81

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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.