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Finding the Fourth Proportional to 346,217.95, 519,274.95 and 109,529.88

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Solution

The fourth proportional to 346,217.95, 519,274.95 and 109,529.88 is: 164,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,217.95 : 519,274.95 = 109,529.88 : x
  2. Step 2: Convert to fraction form
    346,217.95/519,274.95 = 109,529.88/x
  3. Step 3: Cross multiply
    346,217.95x = 519,274.95 × 109,529.88
  4. Step 4: Simplify right side
    346,217.95x = 56,876,122,960.51
  5. Step 5: Solve for x
    x = 56,876,122,960.51/346,217.95
  6. Step 6: Final answer
    x = 164,278.38

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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.