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Finding the Fourth Proportional to 692,777.52, 956,023.56 and 386,858.88

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Solution

The fourth proportional to 692,777.52, 956,023.56 and 386,858.88 is: 533,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,777.52 : 956,023.56 = 386,858.88 : x
  2. Step 2: Convert to fraction form
    692,777.52/956,023.56 = 386,858.88/x
  3. Step 3: Cross multiply
    692,777.52x = 956,023.56 × 386,858.88
  4. Step 4: Simplify right side
    692,777.52x = 369,846,203,675.21
  5. Step 5: Solve for x
    x = 369,846,203,675.21/692,777.52
  6. Step 6: Final answer
    x = 533,860.00

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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.