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Finding the Fourth Proportional to 354,646.20, 531,875.70 and 177,022.20

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Solution

The fourth proportional to 354,646.20, 531,875.70 and 177,022.20 is: 265,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,646.20 : 531,875.70 = 177,022.20 : x
  2. Step 2: Convert to fraction form
    354,646.20/531,875.70 = 177,022.20/x
  3. Step 3: Cross multiply
    354,646.20x = 531,875.70 × 177,022.20
  4. Step 4: Simplify right side
    354,646.20x = 94,153,806,540.54
  5. Step 5: Solve for x
    x = 94,153,806,540.54/354,646.20
  6. Step 6: Final answer
    x = 265,486.58

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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.