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Finding the Fourth Proportional to 417,388.28, 575,995.80 and 236,096.32

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Solution

The fourth proportional to 417,388.28, 575,995.80 and 236,096.32 is: 325,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,388.28 : 575,995.80 = 236,096.32 : x
  2. Step 2: Convert to fraction form
    417,388.28/575,995.80 = 236,096.32/x
  3. Step 3: Cross multiply
    417,388.28x = 575,995.80 × 236,096.32
  4. Step 4: Simplify right side
    417,388.28x = 135,990,488,715.46
  5. Step 5: Solve for x
    x = 135,990,488,715.46/417,388.28
  6. Step 6: Final answer
    x = 325,812.91

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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.