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Finding the Fourth Proportional to 300,341.64, 412,263.69 and 265,588.68

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Solution

The fourth proportional to 300,341.64, 412,263.69 and 265,588.68 is: 364,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,341.64 : 412,263.69 = 265,588.68 : x
  2. Step 2: Convert to fraction form
    300,341.64/412,263.69 = 265,588.68/x
  3. Step 3: Cross multiply
    300,341.64x = 412,263.69 × 265,588.68
  4. Step 4: Simplify right side
    300,341.64x = 109,492,569,239.03
  5. Step 5: Solve for x
    x = 109,492,569,239.03/300,341.64
  6. Step 6: Final answer
    x = 364,560.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.