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Finding the Fourth Proportional to 480,972.71, 663,581.16 and 277,019.54

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Solution

The fourth proportional to 480,972.71, 663,581.16 and 277,019.54 is: 382,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,972.71 : 663,581.16 = 277,019.54 : x
  2. Step 2: Convert to fraction form
    480,972.71/663,581.16 = 277,019.54/x
  3. Step 3: Cross multiply
    480,972.71x = 663,581.16 × 277,019.54
  4. Step 4: Simplify right side
    480,972.71x = 183,824,947,905.21
  5. Step 5: Solve for x
    x = 183,824,947,905.21/480,972.71
  6. Step 6: Final answer
    x = 382,194.14

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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.