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Finding the Fourth Proportional to 307,590.60, 461,385.90 and 301,369.80

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Solution

The fourth proportional to 307,590.60, 461,385.90 and 301,369.80 is: 452,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,590.60 : 461,385.90 = 301,369.80 : x
  2. Step 2: Convert to fraction form
    307,590.60/461,385.90 = 301,369.80/x
  3. Step 3: Cross multiply
    307,590.60x = 461,385.90 × 301,369.80
  4. Step 4: Simplify right side
    307,590.60x = 139,047,776,405.82
  5. Step 5: Solve for x
    x = 139,047,776,405.82/307,590.60
  6. Step 6: Final answer
    x = 452,054.70

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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.