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Finding the Fourth Proportional to 370,465.44, 555,445.44 and 178,238.40

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Solution

The fourth proportional to 370,465.44, 555,445.44 and 178,238.40 is: 267,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,465.44 : 555,445.44 = 178,238.40 : x
  2. Step 2: Convert to fraction form
    370,465.44/555,445.44 = 178,238.40/x
  3. Step 3: Cross multiply
    370,465.44x = 555,445.44 × 178,238.40
  4. Step 4: Simplify right side
    370,465.44x = 99,001,706,512.90
  5. Step 5: Solve for x
    x = 99,001,706,512.90/370,465.44
  6. Step 6: Final answer
    x = 267,236.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.