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Finding the Fourth Proportional to 194,438.40, 291,657.60 and 163,334.40

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Solution

The fourth proportional to 194,438.40, 291,657.60 and 163,334.40 is: 245,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,438.40 : 291,657.60 = 163,334.40 : x
  2. Step 2: Convert to fraction form
    194,438.40/291,657.60 = 163,334.40/x
  3. Step 3: Cross multiply
    194,438.40x = 291,657.60 × 163,334.40
  4. Step 4: Simplify right side
    194,438.40x = 47,637,719,101.44
  5. Step 5: Solve for x
    x = 47,637,719,101.44/194,438.40
  6. Step 6: Final answer
    x = 245,001.60

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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.