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Finding the Fourth Proportional to 336,379.23, 504,482.88 and 99,666.55

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Solution

The fourth proportional to 336,379.23, 504,482.88 and 99,666.55 is: 149,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,379.23 : 504,482.88 = 99,666.55 : x
  2. Step 2: Convert to fraction form
    336,379.23/504,482.88 = 99,666.55/x
  3. Step 3: Cross multiply
    336,379.23x = 504,482.88 × 99,666.55
  4. Step 4: Simplify right side
    336,379.23x = 50,280,069,188.02
  5. Step 5: Solve for x
    x = 50,280,069,188.02/336,379.23
  6. Step 6: Final answer
    x = 149,474.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.