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Finding the Fourth Proportional to 336,009.60, 463,718.40 and 185,107.20

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Solution

The fourth proportional to 336,009.60, 463,718.40 and 185,107.20 is: 255,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,009.60 : 463,718.40 = 185,107.20 : x
  2. Step 2: Convert to fraction form
    336,009.60/463,718.40 = 185,107.20/x
  3. Step 3: Cross multiply
    336,009.60x = 463,718.40 × 185,107.20
  4. Step 4: Simplify right side
    336,009.60x = 85,837,614,612.48
  5. Step 5: Solve for x
    x = 85,837,614,612.48/336,009.60
  6. Step 6: Final answer
    x = 255,461.79

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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.