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Finding the Fourth Proportional to 614,704.55, 922,056.89 and 479,996.28

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Solution

The fourth proportional to 614,704.55, 922,056.89 and 479,996.28 is: 719,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,704.55 : 922,056.89 = 479,996.28 : x
  2. Step 2: Convert to fraction form
    614,704.55/922,056.89 = 479,996.28/x
  3. Step 3: Cross multiply
    614,704.55x = 922,056.89 × 479,996.28
  4. Step 4: Simplify right side
    614,704.55x = 442,583,874,748.39
  5. Step 5: Solve for x
    x = 442,583,874,748.39/614,704.55
  6. Step 6: Final answer
    x = 719,994.47

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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.