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Finding the Fourth Proportional to 557,483.58, 832,012.50 and 503,675.28

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Solution

The fourth proportional to 557,483.58, 832,012.50 and 503,675.28 is: 751,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,483.58 : 832,012.50 = 503,675.28 : x
  2. Step 2: Convert to fraction form
    557,483.58/832,012.50 = 503,675.28/x
  3. Step 3: Cross multiply
    557,483.58x = 832,012.50 × 503,675.28
  4. Step 4: Simplify right side
    557,483.58x = 419,064,128,901
  5. Step 5: Solve for x
    x = 419,064,128,901/557,483.58
  6. Step 6: Final answer
    x = 751,706.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.