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Finding the Fourth Proportional to 493,539.26, 740,603.73 and 453,385.58

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Solution

The fourth proportional to 493,539.26, 740,603.73 and 453,385.58 is: 680,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,539.26 : 740,603.73 = 453,385.58 : x
  2. Step 2: Convert to fraction form
    493,539.26/740,603.73 = 453,385.58/x
  3. Step 3: Cross multiply
    493,539.26x = 740,603.73 × 453,385.58
  4. Step 4: Simplify right side
    493,539.26x = 335,779,047,973.20
  5. Step 5: Solve for x
    x = 335,779,047,973.20/493,539.26
  6. Step 6: Final answer
    x = 680,349.22

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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.