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Finding the Fourth Proportional to 448,796.04, 619,335.56 and 255,203.76

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Solution

The fourth proportional to 448,796.04, 619,335.56 and 255,203.76 is: 352,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,796.04 : 619,335.56 = 255,203.76 : x
  2. Step 2: Convert to fraction form
    448,796.04/619,335.56 = 255,203.76/x
  3. Step 3: Cross multiply
    448,796.04x = 619,335.56 × 255,203.76
  4. Step 4: Simplify right side
    448,796.04x = 158,056,763,613.71
  5. Step 5: Solve for x
    x = 158,056,763,613.71/448,796.04
  6. Step 6: Final answer
    x = 352,179.50

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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.