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Finding the Fourth Proportional to 354,901.39, 531,909.05 and 177,459.15

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Solution

The fourth proportional to 354,901.39, 531,909.05 and 177,459.15 is: 265,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,901.39 : 531,909.05 = 177,459.15 : x
  2. Step 2: Convert to fraction form
    354,901.39/531,909.05 = 177,459.15/x
  3. Step 3: Cross multiply
    354,901.39x = 531,909.05 × 177,459.15
  4. Step 4: Simplify right side
    354,901.39x = 94,392,127,890.31
  5. Step 5: Solve for x
    x = 94,392,127,890.31/354,901.39
  6. Step 6: Final answer
    x = 265,967.20

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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.