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Finding the Fourth Proportional to 374,689.35, 562,218.53 and 174,980.75

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Solution

The fourth proportional to 374,689.35, 562,218.53 and 174,980.75 is: 262,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,689.35 : 562,218.53 = 174,980.75 : x
  2. Step 2: Convert to fraction form
    374,689.35/562,218.53 = 174,980.75/x
  3. Step 3: Cross multiply
    374,689.35x = 562,218.53 × 174,980.75
  4. Step 4: Simplify right side
    374,689.35x = 98,377,416,357.30
  5. Step 5: Solve for x
    x = 98,377,416,357.30/374,689.35
  6. Step 6: Final answer
    x = 262,557.28

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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.