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Finding the Fourth Proportional to 471,346.02, 707,129.73 and 155,802.96

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Solution

The fourth proportional to 471,346.02, 707,129.73 and 155,802.96 is: 233,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,346.02 : 707,129.73 = 155,802.96 : x
  2. Step 2: Convert to fraction form
    471,346.02/707,129.73 = 155,802.96/x
  3. Step 3: Cross multiply
    471,346.02x = 707,129.73 × 155,802.96
  4. Step 4: Simplify right side
    471,346.02x = 110,172,905,038.00
  5. Step 5: Solve for x
    x = 110,172,905,038.00/471,346.02
  6. Step 6: Final answer
    x = 233,741.03

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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.