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Finding the Fourth Proportional to 473,940.64, 654,036.60 and 259,080.80

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Solution

The fourth proportional to 473,940.64, 654,036.60 and 259,080.80 is: 357,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,940.64 : 654,036.60 = 259,080.80 : x
  2. Step 2: Convert to fraction form
    473,940.64/654,036.60 = 259,080.80/x
  3. Step 3: Cross multiply
    473,940.64x = 654,036.60 × 259,080.80
  4. Step 4: Simplify right side
    473,940.64x = 169,448,325,557.28
  5. Step 5: Solve for x
    x = 169,448,325,557.28/473,940.64
  6. Step 6: Final answer
    x = 357,530.69

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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.