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Finding the Fourth Proportional to 578,295.18, 798,016.05 and 323,597.16

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Solution

The fourth proportional to 578,295.18, 798,016.05 and 323,597.16 is: 446,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,295.18 : 798,016.05 = 323,597.16 : x
  2. Step 2: Convert to fraction form
    578,295.18/798,016.05 = 323,597.16/x
  3. Step 3: Cross multiply
    578,295.18x = 798,016.05 × 323,597.16
  4. Step 4: Simplify right side
    578,295.18x = 258,235,727,414.42
  5. Step 5: Solve for x
    x = 258,235,727,414.42/578,295.18
  6. Step 6: Final answer
    x = 446,546.57

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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.