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Finding the Fourth Proportional to 534,025.72, 801,030.80 and 134,663.80

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Solution

The fourth proportional to 534,025.72, 801,030.80 and 134,663.80 is: 201,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,025.72 : 801,030.80 = 134,663.80 : x
  2. Step 2: Convert to fraction form
    534,025.72/801,030.80 = 134,663.80/x
  3. Step 3: Cross multiply
    534,025.72x = 801,030.80 × 134,663.80
  4. Step 4: Simplify right side
    534,025.72x = 107,869,851,445.04
  5. Step 5: Solve for x
    x = 107,869,851,445.04/534,025.72
  6. Step 6: Final answer
    x = 201,993.74

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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.