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Finding the Fourth Proportional to 417,392.40, 575,999.46 and 233,631.84

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Solution

The fourth proportional to 417,392.40, 575,999.46 and 233,631.84 is: 322,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,392.40 : 575,999.46 = 233,631.84 : x
  2. Step 2: Convert to fraction form
    417,392.40/575,999.46 = 233,631.84/x
  3. Step 3: Cross multiply
    417,392.40x = 575,999.46 × 233,631.84
  4. Step 4: Simplify right side
    417,392.40x = 134,571,813,678.81
  5. Step 5: Solve for x
    x = 134,571,813,678.81/417,392.40
  6. Step 6: Final answer
    x = 322,410.79

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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.