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Finding the Fourth Proportional to 474,393.55, 711,376.37 and 234,413.88

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Solution

The fourth proportional to 474,393.55, 711,376.37 and 234,413.88 is: 351,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,393.55 : 711,376.37 = 234,413.88 : x
  2. Step 2: Convert to fraction form
    474,393.55/711,376.37 = 234,413.88/x
  3. Step 3: Cross multiply
    474,393.55x = 711,376.37 × 234,413.88
  4. Step 4: Simplify right side
    474,393.55x = 166,756,495,032.02
  5. Step 5: Solve for x
    x = 166,756,495,032.02/474,393.55
  6. Step 6: Final answer
    x = 351,515.10

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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.