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Finding the Fourth Proportional to 704,846.86, 972,689.14 and 382,556.96

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Solution

The fourth proportional to 704,846.86, 972,689.14 and 382,556.96 is: 527,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,846.86 : 972,689.14 = 382,556.96 : x
  2. Step 2: Convert to fraction form
    704,846.86/972,689.14 = 382,556.96/x
  3. Step 3: Cross multiply
    704,846.86x = 972,689.14 × 382,556.96
  4. Step 4: Simplify right side
    704,846.86x = 372,109,000,423.41
  5. Step 5: Solve for x
    x = 372,109,000,423.41/704,846.86
  6. Step 6: Final answer
    x = 527,928.86

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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.