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Finding the Fourth Proportional to 536,557.90, 803,670.45 and 325,828.30

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Solution

The fourth proportional to 536,557.90, 803,670.45 and 325,828.30 is: 488,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,557.90 : 803,670.45 = 325,828.30 : x
  2. Step 2: Convert to fraction form
    536,557.90/803,670.45 = 325,828.30/x
  3. Step 3: Cross multiply
    536,557.90x = 803,670.45 × 325,828.30
  4. Step 4: Simplify right side
    536,557.90x = 261,858,576,483.74
  5. Step 5: Solve for x
    x = 261,858,576,483.74/536,557.90
  6. Step 6: Final answer
    x = 488,034.15

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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.