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Finding the Fourth Proportional to 707,838.52, 977,030.60 and 481,615.24

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Solution

The fourth proportional to 707,838.52, 977,030.60 and 481,615.24 is: 664,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,838.52 : 977,030.60 = 481,615.24 : x
  2. Step 2: Convert to fraction form
    707,838.52/977,030.60 = 481,615.24/x
  3. Step 3: Cross multiply
    707,838.52x = 977,030.60 × 481,615.24
  4. Step 4: Simplify right side
    707,838.52x = 470,552,826,906.34
  5. Step 5: Solve for x
    x = 470,552,826,906.34/707,838.52
  6. Step 6: Final answer
    x = 664,774.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.