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Finding the Fourth Proportional to 693,447.66, 956,886.48 and 475,842.96

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Solution

The fourth proportional to 693,447.66, 956,886.48 and 475,842.96 is: 656,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,447.66 : 956,886.48 = 475,842.96 : x
  2. Step 2: Convert to fraction form
    693,447.66/956,886.48 = 475,842.96/x
  3. Step 3: Cross multiply
    693,447.66x = 956,886.48 × 475,842.96
  4. Step 4: Simplify right side
    693,447.66x = 455,327,695,027.18
  5. Step 5: Solve for x
    x = 455,327,695,027.18/693,447.66
  6. Step 6: Final answer
    x = 656,614.37

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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.