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Finding the Fourth Proportional to 581,405.80, 872,234.44 and 176,564.72

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Solution

The fourth proportional to 581,405.80, 872,234.44 and 176,564.72 is: 264,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,405.80 : 872,234.44 = 176,564.72 : x
  2. Step 2: Convert to fraction form
    581,405.80/872,234.44 = 176,564.72/x
  3. Step 3: Cross multiply
    581,405.80x = 872,234.44 × 176,564.72
  4. Step 4: Simplify right side
    581,405.80x = 154,005,829,672.96
  5. Step 5: Solve for x
    x = 154,005,829,672.96/581,405.80
  6. Step 6: Final answer
    x = 264,885.27

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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.