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Finding the Fourth Proportional to 363,982.10, 545,973.15 and 127,300.10

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Solution

The fourth proportional to 363,982.10, 545,973.15 and 127,300.10 is: 190,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,982.10 : 545,973.15 = 127,300.10 : x
  2. Step 2: Convert to fraction form
    363,982.10/545,973.15 = 127,300.10/x
  3. Step 3: Cross multiply
    363,982.10x = 545,973.15 × 127,300.10
  4. Step 4: Simplify right side
    363,982.10x = 69,502,436,592.32
  5. Step 5: Solve for x
    x = 69,502,436,592.32/363,982.10
  6. Step 6: Final answer
    x = 190,950.15

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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.