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Finding the Fourth Proportional to 366,011.66, 505,024.30 and 229,966.79

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Solution

The fourth proportional to 366,011.66, 505,024.30 and 229,966.79 is: 317,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,011.66 : 505,024.30 = 229,966.79 : x
  2. Step 2: Convert to fraction form
    366,011.66/505,024.30 = 229,966.79/x
  3. Step 3: Cross multiply
    366,011.66x = 505,024.30 × 229,966.79
  4. Step 4: Simplify right side
    366,011.66x = 116,138,817,143.00
  5. Step 5: Solve for x
    x = 116,138,817,143.00/366,011.66
  6. Step 6: Final answer
    x = 317,309.07

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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.