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Finding the Fourth Proportional to 304,527.63, 420,237.40 and 168,561.84

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Solution

The fourth proportional to 304,527.63, 420,237.40 and 168,561.84 is: 232,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,527.63 : 420,237.40 = 168,561.84 : x
  2. Step 2: Convert to fraction form
    304,527.63/420,237.40 = 168,561.84/x
  3. Step 3: Cross multiply
    304,527.63x = 420,237.40 × 168,561.84
  4. Step 4: Simplify right side
    304,527.63x = 70,835,989,380.82
  5. Step 5: Solve for x
    x = 70,835,989,380.82/304,527.63
  6. Step 6: Final answer
    x = 232,609.40

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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.