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Finding the Fourth Proportional to 572,513.70, 858,770.55 and 529,211.10

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Solution

The fourth proportional to 572,513.70, 858,770.55 and 529,211.10 is: 793,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,513.70 : 858,770.55 = 529,211.10 : x
  2. Step 2: Convert to fraction form
    572,513.70/858,770.55 = 529,211.10/x
  3. Step 3: Cross multiply
    572,513.70x = 858,770.55 × 529,211.10
  4. Step 4: Simplify right side
    572,513.70x = 454,470,907,413.11
  5. Step 5: Solve for x
    x = 454,470,907,413.11/572,513.70
  6. Step 6: Final answer
    x = 793,816.65

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Double scale
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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.