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Finding the Fourth Proportional to 670,563.72, 925,359.48 and 368,757.72

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Solution

The fourth proportional to 670,563.72, 925,359.48 and 368,757.72 is: 508,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,563.72 : 925,359.48 = 368,757.72 : x
  2. Step 2: Convert to fraction form
    670,563.72/925,359.48 = 368,757.72/x
  3. Step 3: Cross multiply
    670,563.72x = 925,359.48 × 368,757.72
  4. Step 4: Simplify right side
    670,563.72x = 341,233,452,025.19
  5. Step 5: Solve for x
    x = 341,233,452,025.19/670,563.72
  6. Step 6: Final answer
    x = 508,875.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.