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Finding the Fourth Proportional to 668,895.75, 923,071.44 and 362,964.34

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Solution

The fourth proportional to 668,895.75, 923,071.44 and 362,964.34 is: 500,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,895.75 : 923,071.44 = 362,964.34 : x
  2. Step 2: Convert to fraction form
    668,895.75/923,071.44 = 362,964.34/x
  3. Step 3: Cross multiply
    668,895.75x = 923,071.44 × 362,964.34
  4. Step 4: Simplify right side
    668,895.75x = 335,042,018,507.41
  5. Step 5: Solve for x
    x = 335,042,018,507.41/668,895.75
  6. Step 6: Final answer
    x = 500,888.25

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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.