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Finding the Fourth Proportional to 341,413.80, 512,120.70 and 235,125.60

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Solution

The fourth proportional to 341,413.80, 512,120.70 and 235,125.60 is: 352,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,413.80 : 512,120.70 = 235,125.60 : x
  2. Step 2: Convert to fraction form
    341,413.80/512,120.70 = 235,125.60/x
  3. Step 3: Cross multiply
    341,413.80x = 512,120.70 × 235,125.60
  4. Step 4: Simplify right side
    341,413.80x = 120,412,686,859.92
  5. Step 5: Solve for x
    x = 120,412,686,859.92/341,413.80
  6. Step 6: Final answer
    x = 352,688.40

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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.