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Finding the Fourth Proportional to 526,363.09, 789,537.30 and 127,000.51

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Solution

The fourth proportional to 526,363.09, 789,537.30 and 127,000.51 is: 190,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,363.09 : 789,537.30 = 127,000.51 : x
  2. Step 2: Convert to fraction form
    526,363.09/789,537.30 = 127,000.51/x
  3. Step 3: Cross multiply
    526,363.09x = 789,537.30 × 127,000.51
  4. Step 4: Simplify right side
    526,363.09x = 100,271,639,764.02
  5. Step 5: Solve for x
    x = 100,271,639,764.02/526,363.09
  6. Step 6: Final answer
    x = 190,499.00

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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.