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Finding the Fourth Proportional to 551,322.54, 760,907.39 and 336,587.09

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Solution

The fourth proportional to 551,322.54, 760,907.39 and 336,587.09 is: 464,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,322.54 : 760,907.39 = 336,587.09 : x
  2. Step 2: Convert to fraction form
    551,322.54/760,907.39 = 336,587.09/x
  3. Step 3: Cross multiply
    551,322.54x = 760,907.39 × 336,587.09
  4. Step 4: Simplify right side
    551,322.54x = 256,111,598,672.12
  5. Step 5: Solve for x
    x = 256,111,598,672.12/551,322.54
  6. Step 6: Final answer
    x = 464,540.41

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1.5x scale

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.