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Finding the Fourth Proportional to 548,413.46, 822,288.06 and 358,644.76

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Solution

The fourth proportional to 548,413.46, 822,288.06 and 358,644.76 is: 537,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,413.46 : 822,288.06 = 358,644.76 : x
  2. Step 2: Convert to fraction form
    548,413.46/822,288.06 = 358,644.76/x
  3. Step 3: Cross multiply
    548,413.46x = 822,288.06 × 358,644.76
  4. Step 4: Simplify right side
    548,413.46x = 294,909,303,929.57
  5. Step 5: Solve for x
    x = 294,909,303,929.57/548,413.46
  6. Step 6: Final answer
    x = 537,749.94

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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.