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Finding the Fourth Proportional to 363,444.30, 545,166.45 and 340,116.30

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Solution

The fourth proportional to 363,444.30, 545,166.45 and 340,116.30 is: 510,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,444.30 : 545,166.45 = 340,116.30 : x
  2. Step 2: Convert to fraction form
    363,444.30/545,166.45 = 340,116.30/x
  3. Step 3: Cross multiply
    363,444.30x = 545,166.45 × 340,116.30
  4. Step 4: Simplify right side
    363,444.30x = 185,419,995,858.14
  5. Step 5: Solve for x
    x = 185,419,995,858.14/363,444.30
  6. Step 6: Final answer
    x = 510,174.45

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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.