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Finding the Fourth Proportional to 533,897.40, 800,846.10 and 218,580.60

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Solution

The fourth proportional to 533,897.40, 800,846.10 and 218,580.60 is: 327,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,897.40 : 800,846.10 = 218,580.60 : x
  2. Step 2: Convert to fraction form
    533,897.40/800,846.10 = 218,580.60/x
  3. Step 3: Cross multiply
    533,897.40x = 800,846.10 × 218,580.60
  4. Step 4: Simplify right side
    533,897.40x = 175,049,421,045.66
  5. Step 5: Solve for x
    x = 175,049,421,045.66/533,897.40
  6. Step 6: Final answer
    x = 327,870.90

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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.