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Finding the Fourth Proportional to 590,530.60, 885,795.90 and 580,162.60

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Solution

The fourth proportional to 590,530.60, 885,795.90 and 580,162.60 is: 870,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,530.60 : 885,795.90 = 580,162.60 : x
  2. Step 2: Convert to fraction form
    590,530.60/885,795.90 = 580,162.60/x
  3. Step 3: Cross multiply
    590,530.60x = 885,795.90 × 580,162.60
  4. Step 4: Simplify right side
    590,530.60x = 513,905,652,413.34
  5. Step 5: Solve for x
    x = 513,905,652,413.34/590,530.60
  6. Step 6: Final answer
    x = 870,243.90

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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.