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Finding the Fourth Proportional to 366,886.60, 549,293.10 and 329,561.80

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Solution

The fourth proportional to 366,886.60, 549,293.10 and 329,561.80 is: 493,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,886.60 : 549,293.10 = 329,561.80 : x
  2. Step 2: Convert to fraction form
    366,886.60/549,293.10 = 329,561.80/x
  3. Step 3: Cross multiply
    366,886.60x = 549,293.10 × 329,561.80
  4. Step 4: Simplify right side
    366,886.60x = 181,026,022,763.58
  5. Step 5: Solve for x
    x = 181,026,022,763.58/366,886.60
  6. Step 6: Final answer
    x = 493,411.38

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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.