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Finding the Fourth Proportional to 247,281.57, 370,345.53 and 180,556.20

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Solution

The fourth proportional to 247,281.57, 370,345.53 and 180,556.20 is: 270,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281.57 : 370,345.53 = 180,556.20 : x
  2. Step 2: Convert to fraction form
    247,281.57/370,345.53 = 180,556.20/x
  3. Step 3: Cross multiply
    247,281.57x = 370,345.53 × 180,556.20
  4. Step 4: Simplify right side
    247,281.57x = 66,868,182,260.87
  5. Step 5: Solve for x
    x = 66,868,182,260.87/247,281.57
  6. Step 6: Final answer
    x = 270,413.13

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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.