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Finding the Fourth Proportional to 366,346.60, 549,617.10 and 129,664.60

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Solution

The fourth proportional to 366,346.60, 549,617.10 and 129,664.60 is: 194,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,346.60 : 549,617.10 = 129,664.60 : x
  2. Step 2: Convert to fraction form
    366,346.60/549,617.10 = 129,664.60/x
  3. Step 3: Cross multiply
    366,346.60x = 549,617.10 × 129,664.60
  4. Step 4: Simplify right side
    366,346.60x = 71,265,881,424.66
  5. Step 5: Solve for x
    x = 71,265,881,424.66/366,346.60
  6. Step 6: Final answer
    x = 194,531.30

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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.