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Finding the Fourth Proportional to 710,954.12, 980,480.82 and 589,903.56

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Solution

The fourth proportional to 710,954.12, 980,480.82 and 589,903.56 is: 813,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,954.12 : 980,480.82 = 589,903.56 : x
  2. Step 2: Convert to fraction form
    710,954.12/980,480.82 = 589,903.56/x
  3. Step 3: Cross multiply
    710,954.12x = 980,480.82 × 589,903.56
  4. Step 4: Simplify right side
    710,954.12x = 578,389,126,229.72
  5. Step 5: Solve for x
    x = 578,389,126,229.72/710,954.12
  6. Step 6: Final answer
    x = 813,539.31

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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.