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Finding the Fourth Proportional to 604,044.80, 906,326.40 and 308,556.80

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Solution

The fourth proportional to 604,044.80, 906,326.40 and 308,556.80 is: 462,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,044.80 : 906,326.40 = 308,556.80 : x
  2. Step 2: Convert to fraction form
    604,044.80/906,326.40 = 308,556.80/x
  3. Step 3: Cross multiply
    604,044.80x = 906,326.40 × 308,556.80
  4. Step 4: Simplify right side
    604,044.80x = 279,653,173,739.52
  5. Step 5: Solve for x
    x = 279,653,173,739.52/604,044.80
  6. Step 6: Final answer
    x = 462,967.60

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1.5x scale

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.