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Finding the Fourth Proportional to 304,816.70, 420,650.42 and 168,852.74

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Solution

The fourth proportional to 304,816.70, 420,650.42 and 168,852.74 is: 233,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,816.70 : 420,650.42 = 168,852.74 : x
  2. Step 2: Convert to fraction form
    304,816.70/420,650.42 = 168,852.74/x
  3. Step 3: Cross multiply
    304,816.70x = 420,650.42 × 168,852.74
  4. Step 4: Simplify right side
    304,816.70x = 71,027,973,051.64
  5. Step 5: Solve for x
    x = 71,027,973,051.64/304,816.70
  6. Step 6: Final answer
    x = 233,018.64

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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.