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Finding the Fourth Proportional to 504,486.84, 756,730.26 and 479,260.20

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Solution

The fourth proportional to 504,486.84, 756,730.26 and 479,260.20 is: 718,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,486.84 : 756,730.26 = 479,260.20 : x
  2. Step 2: Convert to fraction form
    504,486.84/756,730.26 = 479,260.20/x
  3. Step 3: Cross multiply
    504,486.84x = 756,730.26 × 479,260.20
  4. Step 4: Simplify right side
    504,486.84x = 362,670,695,753.65
  5. Step 5: Solve for x
    x = 362,670,695,753.65/504,486.84
  6. Step 6: Final answer
    x = 718,890.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.