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Finding the Fourth Proportional to 651,556.80, 977,302.80 and 336,045.60

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Solution

The fourth proportional to 651,556.80, 977,302.80 and 336,045.60 is: 504,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,556.80 : 977,302.80 = 336,045.60 : x
  2. Step 2: Convert to fraction form
    651,556.80/977,302.80 = 336,045.60/x
  3. Step 3: Cross multiply
    651,556.80x = 977,302.80 × 336,045.60
  4. Step 4: Simplify right side
    651,556.80x = 328,418,305,807.68
  5. Step 5: Solve for x
    x = 328,418,305,807.68/651,556.80
  6. Step 6: Final answer
    x = 504,051.69

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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.