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Finding the Fourth Proportional to 534,911.45, 803,366.51 and 470,892.29

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Solution

The fourth proportional to 534,911.45, 803,366.51 and 470,892.29 is: 707,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,911.45 : 803,366.51 = 470,892.29 : x
  2. Step 2: Convert to fraction form
    534,911.45/803,366.51 = 470,892.29/x
  3. Step 3: Cross multiply
    534,911.45x = 803,366.51 × 470,892.29
  4. Step 4: Simplify right side
    534,911.45x = 378,299,089,231.91
  5. Step 5: Solve for x
    x = 378,299,089,231.91/534,911.45
  6. Step 6: Final answer
    x = 707,218.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.