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Finding the Fourth Proportional to 478,883.56, 660,889.02 and 264,023.26

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Solution

The fourth proportional to 478,883.56, 660,889.02 and 264,023.26 is: 364,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,883.56 : 660,889.02 = 264,023.26 : x
  2. Step 2: Convert to fraction form
    478,883.56/660,889.02 = 264,023.26/x
  3. Step 3: Cross multiply
    478,883.56x = 660,889.02 × 264,023.26
  4. Step 4: Simplify right side
    478,883.56x = 174,490,073,558.61
  5. Step 5: Solve for x
    x = 174,490,073,558.61/478,883.56
  6. Step 6: Final answer
    x = 364,368.48

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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.