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Finding the Fourth Proportional to 303,100.00, 418,421.47 and 175,729.12

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Solution

The fourth proportional to 303,100.00, 418,421.47 and 175,729.12 is: 242,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,100.00 : 418,421.47 = 175,729.12 : x
  2. Step 2: Convert to fraction form
    303,100.00/418,421.47 = 175,729.12/x
  3. Step 3: Cross multiply
    303,100.00x = 418,421.47 × 175,729.12
  4. Step 4: Simplify right side
    303,100.00x = 73,528,835,226.83
  5. Step 5: Solve for x
    x = 73,528,835,226.83/303,100.00
  6. Step 6: Final answer
    x = 242,589.36

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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.