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Finding the Fourth Proportional to 301,381.04, 415,904.10 and 165,411.56

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Solution

The fourth proportional to 301,381.04, 415,904.10 and 165,411.56 is: 228,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,381.04 : 415,904.10 = 165,411.56 : x
  2. Step 2: Convert to fraction form
    301,381.04/415,904.10 = 165,411.56/x
  3. Step 3: Cross multiply
    301,381.04x = 415,904.10 × 165,411.56
  4. Step 4: Simplify right side
    301,381.04x = 68,795,345,991.40
  5. Step 5: Solve for x
    x = 68,795,345,991.40/301,381.04
  6. Step 6: Final answer
    x = 228,267.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.