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Finding the Fourth Proportional to 448,794.04, 619,332.80 and 255,201.76

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Solution

The fourth proportional to 448,794.04, 619,332.80 and 255,201.76 is: 352,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,794.04 : 619,332.80 = 255,201.76 : x
  2. Step 2: Convert to fraction form
    448,794.04/619,332.80 = 255,201.76/x
  3. Step 3: Cross multiply
    448,794.04x = 619,332.80 × 255,201.76
  4. Step 4: Simplify right side
    448,794.04x = 158,054,820,585.73
  5. Step 5: Solve for x
    x = 158,054,820,585.73/448,794.04
  6. Step 6: Final answer
    x = 352,176.74

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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.