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Finding the Fourth Proportional to 295,563.60, 443,345.40 and 216,831.60

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Solution

The fourth proportional to 295,563.60, 443,345.40 and 216,831.60 is: 325,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,563.60 : 443,345.40 = 216,831.60 : x
  2. Step 2: Convert to fraction form
    295,563.60/443,345.40 = 216,831.60/x
  3. Step 3: Cross multiply
    295,563.60x = 443,345.40 × 216,831.60
  4. Step 4: Simplify right side
    295,563.60x = 96,131,292,434.64
  5. Step 5: Solve for x
    x = 96,131,292,434.64/295,563.60
  6. Step 6: Final answer
    x = 325,247.40

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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.