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Finding the Fourth Proportional to 566,544.89, 781,834.91 and 311,896.08

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Solution

The fourth proportional to 566,544.89, 781,834.91 and 311,896.08 is: 430,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,544.89 : 781,834.91 = 311,896.08 : x
  2. Step 2: Convert to fraction form
    566,544.89/781,834.91 = 311,896.08/x
  3. Step 3: Cross multiply
    566,544.89x = 781,834.91 × 311,896.08
  4. Step 4: Simplify right side
    566,544.89x = 243,851,242,076.67
  5. Step 5: Solve for x
    x = 243,851,242,076.67/566,544.89
  6. Step 6: Final answer
    x = 430,418.22

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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.