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Finding the Fourth Proportional to 570,439.89, 854,429.63 and 536,903.01

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Solution

The fourth proportional to 570,439.89, 854,429.63 and 536,903.01 is: 804,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,439.89 : 854,429.63 = 536,903.01 : x
  2. Step 2: Convert to fraction form
    570,439.89/854,429.63 = 536,903.01/x
  3. Step 3: Cross multiply
    570,439.89x = 854,429.63 × 536,903.01
  4. Step 4: Simplify right side
    570,439.89x = 458,745,837,495.67
  5. Step 5: Solve for x
    x = 458,745,837,495.67/570,439.89
  6. Step 6: Final answer
    x = 804,196.63

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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.