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Finding the Fourth Proportional to 366,312.60, 549,566.10 and 129,630.60

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Solution

The fourth proportional to 366,312.60, 549,566.10 and 129,630.60 is: 194,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,312.60 : 549,566.10 = 129,630.60 : x
  2. Step 2: Convert to fraction form
    366,312.60/549,566.10 = 129,630.60/x
  3. Step 3: Cross multiply
    366,312.60x = 549,566.10 × 129,630.60
  4. Step 4: Simplify right side
    366,312.60x = 71,240,583,282.66
  5. Step 5: Solve for x
    x = 71,240,583,282.66/366,312.60
  6. Step 6: Final answer
    x = 194,480.30

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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.