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Finding the Fourth Proportional to 530,609.22, 795,413.40 and 264,117.78

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Solution

The fourth proportional to 530,609.22, 795,413.40 and 264,117.78 is: 395,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,609.22 : 795,413.40 = 264,117.78 : x
  2. Step 2: Convert to fraction form
    530,609.22/795,413.40 = 264,117.78/x
  3. Step 3: Cross multiply
    530,609.22x = 795,413.40 × 264,117.78
  4. Step 4: Simplify right side
    530,609.22x = 210,082,821,390.25
  5. Step 5: Solve for x
    x = 210,082,821,390.25/530,609.22
  6. Step 6: Final answer
    x = 395,927.57

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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.