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Finding the Fourth Proportional to 611,393.28, 842,334.76 and 473,096.64

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Solution

The fourth proportional to 611,393.28, 842,334.76 and 473,096.64 is: 651,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,393.28 : 842,334.76 = 473,096.64 : x
  2. Step 2: Convert to fraction form
    611,393.28/842,334.76 = 473,096.64/x
  3. Step 3: Cross multiply
    611,393.28x = 842,334.76 × 473,096.64
  4. Step 4: Simplify right side
    611,393.28x = 398,505,744,711.21
  5. Step 5: Solve for x
    x = 398,505,744,711.21/611,393.28
  6. Step 6: Final answer
    x = 651,799.35

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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.