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Finding the Fourth Proportional to 304,611.12, 420,308.37 and 175,526.28

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Solution

The fourth proportional to 304,611.12, 420,308.37 and 175,526.28 is: 242,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,611.12 : 420,308.37 = 175,526.28 : x
  2. Step 2: Convert to fraction form
    304,611.12/420,308.37 = 175,526.28/x
  3. Step 3: Cross multiply
    304,611.12x = 420,308.37 × 175,526.28
  4. Step 4: Simplify right side
    304,611.12x = 73,775,164,638.96
  5. Step 5: Solve for x
    x = 73,775,164,638.96/304,611.12
  6. Step 6: Final answer
    x = 242,194.59

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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.