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Finding the Fourth Proportional to 354,900.14, 531,907.18 and 177,457.90

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Solution

The fourth proportional to 354,900.14, 531,907.18 and 177,457.90 is: 265,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,900.14 : 531,907.18 = 177,457.90 : x
  2. Step 2: Convert to fraction form
    354,900.14/531,907.18 = 177,457.90/x
  3. Step 3: Cross multiply
    354,900.14x = 531,907.18 × 177,457.90
  4. Step 4: Simplify right side
    354,900.14x = 94,391,127,610.90
  5. Step 5: Solve for x
    x = 94,391,127,610.90/354,900.14
  6. Step 6: Final answer
    x = 265,965.32

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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.