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Finding the Fourth Proportional to 507,482.22, 761,235.68 and 170,527.76

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Solution

The fourth proportional to 507,482.22, 761,235.68 and 170,527.76 is: 255,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,482.22 : 761,235.68 = 170,527.76 : x
  2. Step 2: Convert to fraction form
    507,482.22/761,235.68 = 170,527.76/x
  3. Step 3: Cross multiply
    507,482.22x = 761,235.68 × 170,527.76
  4. Step 4: Simplify right side
    507,482.22x = 129,811,811,962.62
  5. Step 5: Solve for x
    x = 129,811,811,962.62/507,482.22
  6. Step 6: Final answer
    x = 255,795.78

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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.