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Finding the Fourth Proportional to 375,802.20, 563,664.42 and 353,873.88

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Solution

The fourth proportional to 375,802.20, 563,664.42 and 353,873.88 is: 530,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,802.20 : 563,664.42 = 353,873.88 : x
  2. Step 2: Convert to fraction form
    375,802.20/563,664.42 = 353,873.88/x
  3. Step 3: Cross multiply
    375,802.20x = 563,664.42 × 353,873.88
  4. Step 4: Simplify right side
    375,802.20x = 199,466,115,323.35
  5. Step 5: Solve for x
    x = 199,466,115,323.35/375,802.20
  6. Step 6: Final answer
    x = 530,774.21

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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.