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Finding the Fourth Proportional to 530,709.02, 732,186.11 and 301,133.36

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Solution

The fourth proportional to 530,709.02, 732,186.11 and 301,133.36 is: 415,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,709.02 : 732,186.11 = 301,133.36 : x
  2. Step 2: Convert to fraction form
    530,709.02/732,186.11 = 301,133.36/x
  3. Step 3: Cross multiply
    530,709.02x = 732,186.11 × 301,133.36
  4. Step 4: Simplify right side
    530,709.02x = 220,485,663,449.63
  5. Step 5: Solve for x
    x = 220,485,663,449.63/530,709.02
  6. Step 6: Final answer
    x = 415,454.90

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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.