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Finding the Fourth Proportional to 194,454.40, 291,681.60 and 163,350.40

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Solution

The fourth proportional to 194,454.40, 291,681.60 and 163,350.40 is: 245,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,454.40 : 291,681.60 = 163,350.40 : x
  2. Step 2: Convert to fraction form
    194,454.40/291,681.60 = 163,350.40/x
  3. Step 3: Cross multiply
    194,454.40x = 291,681.60 × 163,350.40
  4. Step 4: Simplify right side
    194,454.40x = 47,646,306,032.64
  5. Step 5: Solve for x
    x = 47,646,306,032.64/194,454.40
  6. Step 6: Final answer
    x = 245,025.60

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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.