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Finding the Fourth Proportional to 411,413.92, 567,522.65 and 239,312.51

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Solution

The fourth proportional to 411,413.92, 567,522.65 and 239,312.51 is: 330,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,413.92 : 567,522.65 = 239,312.51 : x
  2. Step 2: Convert to fraction form
    411,413.92/567,522.65 = 239,312.51/x
  3. Step 3: Cross multiply
    411,413.92x = 567,522.65 × 239,312.51
  4. Step 4: Simplify right side
    411,413.92x = 135,815,269,742.23
  5. Step 5: Solve for x
    x = 135,815,269,742.23/411,413.92
  6. Step 6: Final answer
    x = 330,118.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.