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Finding the Fourth Proportional to 595,442.88, 821,707.74 and 323,508.87

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Solution

The fourth proportional to 595,442.88, 821,707.74 and 323,508.87 is: 446,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,442.88 : 821,707.74 = 323,508.87 : x
  2. Step 2: Convert to fraction form
    595,442.88/821,707.74 = 323,508.87/x
  3. Step 3: Cross multiply
    595,442.88x = 821,707.74 × 323,508.87
  4. Step 4: Simplify right side
    595,442.88x = 265,829,742,437.65
  5. Step 5: Solve for x
    x = 265,829,742,437.65/595,442.88
  6. Step 6: Final answer
    x = 446,440.37

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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.