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Finding the Fourth Proportional to 506,028.96, 759,168 and 356,561.16

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Solution

The fourth proportional to 506,028.96, 759,168 and 356,561.16 is: 534,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,028.96 : 759,168 = 356,561.16 : x
  2. Step 2: Convert to fraction form
    506,028.96/759,168 = 356,561.16/x
  3. Step 3: Cross multiply
    506,028.96x = 759,168 × 356,561.16
  4. Step 4: Simplify right side
    506,028.96x = 270,689,822,714.88
  5. Step 5: Solve for x
    x = 270,689,822,714.88/506,028.96
  6. Step 6: Final answer
    x = 534,929.51

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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.