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Finding the Fourth Proportional to 575,654.96, 794,406.84 and 321,016.88

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Solution

The fourth proportional to 575,654.96, 794,406.84 and 321,016.88 is: 443,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,654.96 : 794,406.84 = 321,016.88 : x
  2. Step 2: Convert to fraction form
    575,654.96/794,406.84 = 321,016.88/x
  3. Step 3: Cross multiply
    575,654.96x = 794,406.84 × 321,016.88
  4. Step 4: Simplify right side
    575,654.96x = 255,018,005,227.46
  5. Step 5: Solve for x
    x = 255,018,005,227.46/575,654.96
  6. Step 6: Final answer
    x = 443,004.96

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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.