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Finding the Fourth Proportional to 439,477.25, 606,461.77 and 248,494.64

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Solution

The fourth proportional to 439,477.25, 606,461.77 and 248,494.64 is: 342,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,477.25 : 606,461.77 = 248,494.64 : x
  2. Step 2: Convert to fraction form
    439,477.25/606,461.77 = 248,494.64/x
  3. Step 3: Cross multiply
    439,477.25x = 606,461.77 × 248,494.64
  4. Step 4: Simplify right side
    439,477.25x = 150,702,499,209.91
  5. Step 5: Solve for x
    x = 150,702,499,209.91/439,477.25
  6. Step 6: Final answer
    x = 342,913.08

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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.