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Finding the Fourth Proportional to 480,426.68, 663,054.60 and 276,473.36

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Solution

The fourth proportional to 480,426.68, 663,054.60 and 276,473.36 is: 381,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,426.68 : 663,054.60 = 276,473.36 : x
  2. Step 2: Convert to fraction form
    480,426.68/663,054.60 = 276,473.36/x
  3. Step 3: Cross multiply
    480,426.68x = 663,054.60 × 276,473.36
  4. Step 4: Simplify right side
    480,426.68x = 183,316,933,125.46
  5. Step 5: Solve for x
    x = 183,316,933,125.46/480,426.68
  6. Step 6: Final answer
    x = 381,571.09

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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.