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Finding the Fourth Proportional to 254,903.53, 351,623.41 and 152,901.85

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Solution

The fourth proportional to 254,903.53, 351,623.41 and 152,901.85 is: 210,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,903.53 : 351,623.41 = 152,901.85 : x
  2. Step 2: Convert to fraction form
    254,903.53/351,623.41 = 152,901.85/x
  3. Step 3: Cross multiply
    254,903.53x = 351,623.41 × 152,901.85
  4. Step 4: Simplify right side
    254,903.53x = 53,763,869,892.31
  5. Step 5: Solve for x
    x = 53,763,869,892.31/254,903.53
  6. Step 6: Final answer
    x = 210,918.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.