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Finding the Fourth Proportional to 364,036.20, 546,054.30 and 206,572.20

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Solution

The fourth proportional to 364,036.20, 546,054.30 and 206,572.20 is: 309,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,036.20 : 546,054.30 = 206,572.20 : x
  2. Step 2: Convert to fraction form
    364,036.20/546,054.30 = 206,572.20/x
  3. Step 3: Cross multiply
    364,036.20x = 546,054.30 × 206,572.20
  4. Step 4: Simplify right side
    364,036.20x = 112,799,638,070.46
  5. Step 5: Solve for x
    x = 112,799,638,070.46/364,036.20
  6. Step 6: Final answer
    x = 309,858.30

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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.