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Finding the Fourth Proportional to 543,248.58, 749,675.70 and 301,530.54

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Solution

The fourth proportional to 543,248.58, 749,675.70 and 301,530.54 is: 416,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,248.58 : 749,675.70 = 301,530.54 : x
  2. Step 2: Convert to fraction form
    543,248.58/749,675.70 = 301,530.54/x
  3. Step 3: Cross multiply
    543,248.58x = 749,675.70 × 301,530.54
  4. Step 4: Simplify right side
    543,248.58x = 226,050,118,645.88
  5. Step 5: Solve for x
    x = 226,050,118,645.88/543,248.58
  6. Step 6: Final answer
    x = 416,108.07

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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.