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Finding the Fourth Proportional to 304,503.37, 420,208.37 and 168,529.20

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Solution

The fourth proportional to 304,503.37, 420,208.37 and 168,529.20 is: 232,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,503.37 : 420,208.37 = 168,529.20 : x
  2. Step 2: Convert to fraction form
    304,503.37/420,208.37 = 168,529.20/x
  3. Step 3: Cross multiply
    304,503.37x = 420,208.37 × 168,529.20
  4. Step 4: Simplify right side
    304,503.37x = 70,817,381,744.50
  5. Step 5: Solve for x
    x = 70,817,381,744.50/304,503.37
  6. Step 6: Final answer
    x = 232,566.83

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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.