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Finding the Fourth Proportional to 366,297.60, 549,543.60 and 129,615.60

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Solution

The fourth proportional to 366,297.60, 549,543.60 and 129,615.60 is: 194,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,297.60 : 549,543.60 = 129,615.60 : x
  2. Step 2: Convert to fraction form
    366,297.60/549,543.60 = 129,615.60/x
  3. Step 3: Cross multiply
    366,297.60x = 549,543.60 × 129,615.60
  4. Step 4: Simplify right side
    366,297.60x = 71,229,423,440.16
  5. Step 5: Solve for x
    x = 71,229,423,440.16/366,297.60
  6. Step 6: Final answer
    x = 194,457.79

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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.