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Finding the Fourth Proportional to 524,085.20, 785,447.40 and 243,004.40

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Solution

The fourth proportional to 524,085.20, 785,447.40 and 243,004.40 is: 364,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,085.20 : 785,447.40 = 243,004.40 : x
  2. Step 2: Convert to fraction form
    524,085.20/785,447.40 = 243,004.40/x
  3. Step 3: Cross multiply
    524,085.20x = 785,447.40 × 243,004.40
  4. Step 4: Simplify right side
    524,085.20x = 190,867,174,168.56
  5. Step 5: Solve for x
    x = 190,867,174,168.56/524,085.20
  6. Step 6: Final answer
    x = 364,191.12

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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.