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Finding the Fourth Proportional to 366,959.20, 549,782.70 and 310,534.60

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Solution

The fourth proportional to 366,959.20, 549,782.70 and 310,534.60 is: 465,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,959.20 : 549,782.70 = 310,534.60 : x
  2. Step 2: Convert to fraction form
    366,959.20/549,782.70 = 310,534.60/x
  3. Step 3: Cross multiply
    366,959.20x = 549,782.70 × 310,534.60
  4. Step 4: Simplify right side
    366,959.20x = 170,726,550,831.42
  5. Step 5: Solve for x
    x = 170,726,550,831.42/366,959.20
  6. Step 6: Final answer
    x = 465,246.68

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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.