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Finding the Fourth Proportional to 559,502.10, 839,253.15 and 470,928.60

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Solution

The fourth proportional to 559,502.10, 839,253.15 and 470,928.60 is: 706,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,502.10 : 839,253.15 = 470,928.60 : x
  2. Step 2: Convert to fraction form
    559,502.10/839,253.15 = 470,928.60/x
  3. Step 3: Cross multiply
    559,502.10x = 839,253.15 × 470,928.60
  4. Step 4: Simplify right side
    559,502.10x = 395,228,310,975.09
  5. Step 5: Solve for x
    x = 395,228,310,975.09/559,502.10
  6. Step 6: Final answer
    x = 706,392.90

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Similar ratio
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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.