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Finding the Fourth Proportional to 530,139.06, 795,069 and 361,628.01

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Solution

The fourth proportional to 530,139.06, 795,069 and 361,628.01 is: 542,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,139.06 : 795,069 = 361,628.01 : x
  2. Step 2: Convert to fraction form
    530,139.06/795,069 = 361,628.01/x
  3. Step 3: Cross multiply
    530,139.06x = 795,069 × 361,628.01
  4. Step 4: Simplify right side
    530,139.06x = 287,519,220,282.69
  5. Step 5: Solve for x
    x = 287,519,220,282.69/530,139.06
  6. Step 6: Final answer
    x = 542,346.80

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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.