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Finding the Fourth Proportional to 448,295.04, 672,442.56 and 259,044.48

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Solution

The fourth proportional to 448,295.04, 672,442.56 and 259,044.48 is: 388,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,295.04 : 672,442.56 = 259,044.48 : x
  2. Step 2: Convert to fraction form
    448,295.04/672,442.56 = 259,044.48/x
  3. Step 3: Cross multiply
    448,295.04x = 672,442.56 × 259,044.48
  4. Step 4: Simplify right side
    448,295.04x = 174,192,533,285.07
  5. Step 5: Solve for x
    x = 174,192,533,285.07/448,295.04
  6. Step 6: Final answer
    x = 388,566.72

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Similar ratio
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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.