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Finding the Fourth Proportional to 504,483.84, 756,725.76 and 479,257.20

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Solution

The fourth proportional to 504,483.84, 756,725.76 and 479,257.20 is: 718,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,483.84 : 756,725.76 = 479,257.20 : x
  2. Step 2: Convert to fraction form
    504,483.84/756,725.76 = 479,257.20/x
  3. Step 3: Cross multiply
    504,483.84x = 756,725.76 × 479,257.20
  4. Step 4: Simplify right side
    504,483.84x = 362,666,268,905.47
  5. Step 5: Solve for x
    x = 362,666,268,905.47/504,483.84
  6. Step 6: Final answer
    x = 718,885.80

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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.