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Finding the Fourth Proportional to 684,758.58, 945,096.57 and 458,796.66

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Solution

The fourth proportional to 684,758.58, 945,096.57 and 458,796.66 is: 633,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,758.58 : 945,096.57 = 458,796.66 : x
  2. Step 2: Convert to fraction form
    684,758.58/945,096.57 = 458,796.66/x
  3. Step 3: Cross multiply
    684,758.58x = 945,096.57 × 458,796.66
  4. Step 4: Simplify right side
    684,758.58x = 433,607,149,693.46
  5. Step 5: Solve for x
    x = 433,607,149,693.46/684,758.58
  6. Step 6: Final answer
    x = 633,226.31

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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.