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Finding the Fourth Proportional to 595,666.12, 822,016.20 and 323,729.68

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Solution

The fourth proportional to 595,666.12, 822,016.20 and 323,729.68 is: 446,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,666.12 : 822,016.20 = 323,729.68 : x
  2. Step 2: Convert to fraction form
    595,666.12/822,016.20 = 323,729.68/x
  3. Step 3: Cross multiply
    595,666.12x = 822,016.20 × 323,729.68
  4. Step 4: Simplify right side
    595,666.12x = 266,111,041,380.82
  5. Step 5: Solve for x
    x = 266,111,041,380.82/595,666.12
  6. Step 6: Final answer
    x = 446,745.30

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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.