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Finding the Fourth Proportional to 487,867.46, 673,277.82 and 301,639.46

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Solution

The fourth proportional to 487,867.46, 673,277.82 and 301,639.46 is: 416,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,867.46 : 673,277.82 = 301,639.46 : x
  2. Step 2: Convert to fraction form
    487,867.46/673,277.82 = 301,639.46/x
  3. Step 3: Cross multiply
    487,867.46x = 673,277.82 × 301,639.46
  4. Step 4: Simplify right side
    487,867.46x = 203,087,158,054.78
  5. Step 5: Solve for x
    x = 203,087,158,054.78/487,867.46
  6. Step 6: Final answer
    x = 416,275.27

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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.