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Finding the Fourth Proportional to 534,171.38, 737,154.54 and 304,728.28

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Solution

The fourth proportional to 534,171.38, 737,154.54 and 304,728.28 is: 420,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,171.38 : 737,154.54 = 304,728.28 : x
  2. Step 2: Convert to fraction form
    534,171.38/737,154.54 = 304,728.28/x
  3. Step 3: Cross multiply
    534,171.38x = 737,154.54 × 304,728.28
  4. Step 4: Simplify right side
    534,171.38x = 224,631,833,225.51
  5. Step 5: Solve for x
    x = 224,631,833,225.51/534,171.38
  6. Step 6: Final answer
    x = 420,523.91

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Double scale
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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.