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Finding the Fourth Proportional to 654,817.54, 903,639.01 and 368,337.62

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Solution

The fourth proportional to 654,817.54, 903,639.01 and 368,337.62 is: 508,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,817.54 : 903,639.01 = 368,337.62 : x
  2. Step 2: Convert to fraction form
    654,817.54/903,639.01 = 368,337.62/x
  3. Step 3: Cross multiply
    654,817.54x = 903,639.01 × 368,337.62
  4. Step 4: Simplify right side
    654,817.54x = 332,844,242,282.56
  5. Step 5: Solve for x
    x = 332,844,242,282.56/654,817.54
  6. Step 6: Final answer
    x = 508,300.74

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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.