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Finding the Fourth Proportional to 509,779.04, 764,619 and 154,796.14

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Solution

The fourth proportional to 509,779.04, 764,619 and 154,796.14 is: 232,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,779.04 : 764,619 = 154,796.14 : x
  2. Step 2: Convert to fraction form
    509,779.04/764,619 = 154,796.14/x
  3. Step 3: Cross multiply
    509,779.04x = 764,619 × 154,796.14
  4. Step 4: Simplify right side
    509,779.04x = 118,360,069,770.66
  5. Step 5: Solve for x
    x = 118,360,069,770.66/509,779.04
  6. Step 6: Final answer
    x = 232,179.16

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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.