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Finding the Fourth Proportional to 649,146.28, 895,840.14 and 362,697.88

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Solution

The fourth proportional to 649,146.28, 895,840.14 and 362,697.88 is: 500,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,146.28 : 895,840.14 = 362,697.88 : x
  2. Step 2: Convert to fraction form
    649,146.28/895,840.14 = 362,697.88/x
  3. Step 3: Cross multiply
    649,146.28x = 895,840.14 × 362,697.88
  4. Step 4: Simplify right side
    649,146.28x = 324,919,319,596.90
  5. Step 5: Solve for x
    x = 324,919,319,596.90/649,146.28
  6. Step 6: Final answer
    x = 500,533.28

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Double scale
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Similar ratio
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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.