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Finding the Fourth Proportional to 588,907.80, 883,361.70 and 145,675.80

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Solution

The fourth proportional to 588,907.80, 883,361.70 and 145,675.80 is: 218,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,907.80 : 883,361.70 = 145,675.80 : x
  2. Step 2: Convert to fraction form
    588,907.80/883,361.70 = 145,675.80/x
  3. Step 3: Cross multiply
    588,907.80x = 883,361.70 × 145,675.80
  4. Step 4: Simplify right side
    588,907.80x = 128,684,422,336.86
  5. Step 5: Solve for x
    x = 128,684,422,336.86/588,907.80
  6. Step 6: Final answer
    x = 218,513.70

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Double scale
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Similar ratio
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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.