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Finding the Fourth Proportional to 433,368.32, 650,279.04 and 177,390.80

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Solution

The fourth proportional to 433,368.32, 650,279.04 and 177,390.80 is: 266,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,368.32 : 650,279.04 = 177,390.80 : x
  2. Step 2: Convert to fraction form
    433,368.32/650,279.04 = 177,390.80/x
  3. Step 3: Cross multiply
    433,368.32x = 650,279.04 × 177,390.80
  4. Step 4: Simplify right side
    433,368.32x = 115,353,519,128.83
  5. Step 5: Solve for x
    x = 115,353,519,128.83/433,368.32
  6. Step 6: Final answer
    x = 266,178.94

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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.