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Finding the Fourth Proportional to 654,763.64, 903,574.04 and 368,283.92

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Solution

The fourth proportional to 654,763.64, 903,574.04 and 368,283.92 is: 508,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,763.64 : 903,574.04 = 368,283.92 : x
  2. Step 2: Convert to fraction form
    654,763.64/903,574.04 = 368,283.92/x
  3. Step 3: Cross multiply
    654,763.64x = 903,574.04 × 368,283.92
  4. Step 4: Simplify right side
    654,763.64x = 332,771,783,102.15
  5. Step 5: Solve for x
    x = 332,771,783,102.15/654,763.64
  6. Step 6: Final answer
    x = 508,231.93

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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.