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Finding the Fourth Proportional to 530,940.11, 732,709.55 and 301,460.93

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Solution

The fourth proportional to 530,940.11, 732,709.55 and 301,460.93 is: 416,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,940.11 : 732,709.55 = 301,460.93 : x
  2. Step 2: Convert to fraction form
    530,940.11/732,709.55 = 301,460.93/x
  3. Step 3: Cross multiply
    530,940.11x = 732,709.55 × 301,460.93
  4. Step 4: Simplify right side
    530,940.11x = 220,883,297,192.03
  5. Step 5: Solve for x
    x = 220,883,297,192.03/530,940.11
  6. Step 6: Final answer
    x = 416,023.00

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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.