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Finding the Fourth Proportional to 589,059.42, 813,381.39 and 480,180.84

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Solution

The fourth proportional to 589,059.42, 813,381.39 and 480,180.84 is: 663,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,059.42 : 813,381.39 = 480,180.84 : x
  2. Step 2: Convert to fraction form
    589,059.42/813,381.39 = 480,180.84/x
  3. Step 3: Cross multiply
    589,059.42x = 813,381.39 × 480,180.84
  4. Step 4: Simplify right side
    589,059.42x = 390,570,159,090.57
  5. Step 5: Solve for x
    x = 390,570,159,090.57/589,059.42
  6. Step 6: Final answer
    x = 663,040.34

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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.