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Finding the Fourth Proportional to 354,151.40, 531,572.70 and 176,858.60

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Solution

The fourth proportional to 354,151.40, 531,572.70 and 176,858.60 is: 265,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,151.40 : 531,572.70 = 176,858.60 : x
  2. Step 2: Convert to fraction form
    354,151.40/531,572.70 = 176,858.60/x
  3. Step 3: Cross multiply
    354,151.40x = 531,572.70 × 176,858.60
  4. Step 4: Simplify right side
    354,151.40x = 94,013,203,520.22
  5. Step 5: Solve for x
    x = 94,013,203,520.22/354,151.40
  6. Step 6: Final answer
    x = 265,460.49

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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.