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Finding the Fourth Proportional to 366,955.20, 549,776.70 and 310,530.60

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Solution

The fourth proportional to 366,955.20, 549,776.70 and 310,530.60 is: 465,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.20 : 549,776.70 = 310,530.60 : x
  2. Step 2: Convert to fraction form
    366,955.20/549,776.70 = 310,530.60/x
  3. Step 3: Cross multiply
    366,955.20x = 549,776.70 × 310,530.60
  4. Step 4: Simplify right side
    366,955.20x = 170,722,488,517.02
  5. Step 5: Solve for x
    x = 170,722,488,517.02/366,955.20
  6. Step 6: Final answer
    x = 465,240.68

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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.