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Finding the Fourth Proportional to 621,000.02, 931,500.03 and 200,275.89

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Solution

The fourth proportional to 621,000.02, 931,500.03 and 200,275.89 is: 300,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,000.02 : 931,500.03 = 200,275.89 : x
  2. Step 2: Convert to fraction form
    621,000.02/931,500.03 = 200,275.89/x
  3. Step 3: Cross multiply
    621,000.02x = 931,500.03 × 200,275.89
  4. Step 4: Simplify right side
    621,000.02x = 186,556,997,543.28
  5. Step 5: Solve for x
    x = 186,556,997,543.28/621,000.02
  6. Step 6: Final answer
    x = 300,413.84

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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.