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Finding the Fourth Proportional to 555,062.72, 766,316.60 and 364,410.32

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Solution

The fourth proportional to 555,062.72, 766,316.60 and 364,410.32 is: 503,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,062.72 : 766,316.60 = 364,410.32 : x
  2. Step 2: Convert to fraction form
    555,062.72/766,316.60 = 364,410.32/x
  3. Step 3: Cross multiply
    555,062.72x = 766,316.60 × 364,410.32
  4. Step 4: Simplify right side
    555,062.72x = 279,253,677,427.31
  5. Step 5: Solve for x
    x = 279,253,677,427.31/555,062.72
  6. Step 6: Final answer
    x = 503,102.92

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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.