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Finding the Fourth Proportional to 354,623.40, 532,280.70 and 177,330.60

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Solution

The fourth proportional to 354,623.40, 532,280.70 and 177,330.60 is: 266,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623.40 : 532,280.70 = 177,330.60 : x
  2. Step 2: Convert to fraction form
    354,623.40/532,280.70 = 177,330.60/x
  3. Step 3: Cross multiply
    354,623.40x = 532,280.70 × 177,330.60
  4. Step 4: Simplify right side
    354,623.40x = 94,389,655,899.42
  5. Step 5: Solve for x
    x = 94,389,655,899.42/354,623.40
  6. Step 6: Final answer
    x = 266,168.72

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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.