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Finding the Fourth Proportional to 375,522.10, 562,557.30 and 208,804.66

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Solution

The fourth proportional to 375,522.10, 562,557.30 and 208,804.66 is: 312,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,522.10 : 562,557.30 = 208,804.66 : x
  2. Step 2: Convert to fraction form
    375,522.10/562,557.30 = 208,804.66/x
  3. Step 3: Cross multiply
    375,522.10x = 562,557.30 × 208,804.66
  4. Step 4: Simplify right side
    375,522.10x = 117,464,585,757.02
  5. Step 5: Solve for x
    x = 117,464,585,757.02/375,522.10
  6. Step 6: Final answer
    x = 312,803.39

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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.