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Finding the Fourth Proportional to 346,578.46, 520,032.96 and 188,803.42

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Solution

The fourth proportional to 346,578.46, 520,032.96 and 188,803.42 is: 283,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,578.46 : 520,032.96 = 188,803.42 : x
  2. Step 2: Convert to fraction form
    346,578.46/520,032.96 = 188,803.42/x
  3. Step 3: Cross multiply
    346,578.46x = 520,032.96 × 188,803.42
  4. Step 4: Simplify right side
    346,578.46x = 98,184,001,360.72
  5. Step 5: Solve for x
    x = 98,184,001,360.72/346,578.46
  6. Step 6: Final answer
    x = 283,295.16

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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.