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Finding the Fourth Proportional to 364,562.10, 546,843.15 and 127,880.10

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Solution

The fourth proportional to 364,562.10, 546,843.15 and 127,880.10 is: 191,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,562.10 : 546,843.15 = 127,880.10 : x
  2. Step 2: Convert to fraction form
    364,562.10/546,843.15 = 127,880.10/x
  3. Step 3: Cross multiply
    364,562.10x = 546,843.15 × 127,880.10
  4. Step 4: Simplify right side
    364,562.10x = 69,930,356,706.32
  5. Step 5: Solve for x
    x = 69,930,356,706.32/364,562.10
  6. Step 6: Final answer
    x = 191,820.15

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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.