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Finding the Fourth Proportional to 423,034.32, 633,304.80 and 370,546.32

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Solution

The fourth proportional to 423,034.32, 633,304.80 and 370,546.32 is: 554,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,034.32 : 633,304.80 = 370,546.32 : x
  2. Step 2: Convert to fraction form
    423,034.32/633,304.80 = 370,546.32/x
  3. Step 3: Cross multiply
    423,034.32x = 633,304.80 × 370,546.32
  4. Step 4: Simplify right side
    423,034.32x = 234,668,763,078.34
  5. Step 5: Solve for x
    x = 234,668,763,078.34/423,034.32
  6. Step 6: Final answer
    x = 554,727.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.