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Finding the Fourth Proportional to 617,413.09, 926,114.44 and 482,590.56

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Solution

The fourth proportional to 617,413.09, 926,114.44 and 482,590.56 is: 723,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,413.09 : 926,114.44 = 482,590.56 : x
  2. Step 2: Convert to fraction form
    617,413.09/926,114.44 = 482,590.56/x
  3. Step 3: Cross multiply
    617,413.09x = 926,114.44 × 482,590.56
  4. Step 4: Simplify right side
    617,413.09x = 446,934,087,332.50
  5. Step 5: Solve for x
    x = 446,934,087,332.50/617,413.09
  6. Step 6: Final answer
    x = 723,881.78

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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.