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Finding the Fourth Proportional to 374,804.72, 562,391.76 and 175,138.90

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Solution

The fourth proportional to 374,804.72, 562,391.76 and 175,138.90 is: 262,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,804.72 : 562,391.76 = 175,138.90 : x
  2. Step 2: Convert to fraction form
    374,804.72/562,391.76 = 175,138.90/x
  3. Step 3: Cross multiply
    374,804.72x = 562,391.76 × 175,138.90
  4. Step 4: Simplify right side
    374,804.72x = 98,496,674,215.46
  5. Step 5: Solve for x
    x = 98,496,674,215.46/374,804.72
  6. Step 6: Final answer
    x = 262,794.65

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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.