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Finding the Fourth Proportional to 469,154.77, 646,920.07 and 348,519.85

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Solution

The fourth proportional to 469,154.77, 646,920.07 and 348,519.85 is: 480,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,154.77 : 646,920.07 = 348,519.85 : x
  2. Step 2: Convert to fraction form
    469,154.77/646,920.07 = 348,519.85/x
  3. Step 3: Cross multiply
    469,154.77x = 646,920.07 × 348,519.85
  4. Step 4: Simplify right side
    469,154.77x = 225,464,485,758.39
  5. Step 5: Solve for x
    x = 225,464,485,758.39/469,154.77
  6. Step 6: Final answer
    x = 480,575.92

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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.