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Finding the Fourth Proportional to 656,594.60, 984,162.90 and 257,102.60

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Solution

The fourth proportional to 656,594.60, 984,162.90 and 257,102.60 is: 385,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,594.60 : 984,162.90 = 257,102.60 : x
  2. Step 2: Convert to fraction form
    656,594.60/984,162.90 = 257,102.60/x
  3. Step 3: Cross multiply
    656,594.60x = 984,162.90 × 257,102.60
  4. Step 4: Simplify right side
    656,594.60x = 253,030,840,413.54
  5. Step 5: Solve for x
    x = 253,030,840,413.54/656,594.60
  6. Step 6: Final answer
    x = 385,368.45

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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.