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Finding the Fourth Proportional to 544,390.83, 751,258.67 and 302,665.77

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Solution

The fourth proportional to 544,390.83, 751,258.67 and 302,665.77 is: 417,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,390.83 : 751,258.67 = 302,665.77 : x
  2. Step 2: Convert to fraction form
    544,390.83/751,258.67 = 302,665.77/x
  3. Step 3: Cross multiply
    544,390.83x = 751,258.67 × 302,665.77
  4. Step 4: Simplify right side
    544,390.83x = 227,380,282,311.40
  5. Step 5: Solve for x
    x = 227,380,282,311.40/544,390.83
  6. Step 6: Final answer
    x = 417,678.38

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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.