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Finding the Fourth Proportional to 440,465.64, 607,826.34 and 239,257.32

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Solution

The fourth proportional to 440,465.64, 607,826.34 and 239,257.32 is: 330,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,465.64 : 607,826.34 = 239,257.32 : x
  2. Step 2: Convert to fraction form
    440,465.64/607,826.34 = 239,257.32/x
  3. Step 3: Cross multiply
    440,465.64x = 607,826.34 × 239,257.32
  4. Step 4: Simplify right side
    440,465.64x = 145,426,901,133.81
  5. Step 5: Solve for x
    x = 145,426,901,133.81/440,465.64
  6. Step 6: Final answer
    x = 330,166.28

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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.