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Finding the Fourth Proportional to 461,879.04, 637,488 and 270,992.64

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Solution

The fourth proportional to 461,879.04, 637,488 and 270,992.64 is: 374,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,879.04 : 637,488 = 270,992.64 : x
  2. Step 2: Convert to fraction form
    461,879.04/637,488 = 270,992.64/x
  3. Step 3: Cross multiply
    461,879.04x = 637,488 × 270,992.64
  4. Step 4: Simplify right side
    461,879.04x = 172,754,556,088.32
  5. Step 5: Solve for x
    x = 172,754,556,088.32/461,879.04
  6. Step 6: Final answer
    x = 374,025.54

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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.