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Finding the Fourth Proportional to 298,800.02, 412,332.03 and 162,831.07

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Solution

The fourth proportional to 298,800.02, 412,332.03 and 162,831.07 is: 224,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,800.02 : 412,332.03 = 162,831.07 : x
  2. Step 2: Convert to fraction form
    298,800.02/412,332.03 = 162,831.07/x
  3. Step 3: Cross multiply
    298,800.02x = 412,332.03 × 162,831.07
  4. Step 4: Simplify right side
    298,800.02x = 67,140,466,155.59
  5. Step 5: Solve for x
    x = 67,140,466,155.59/298,800.02
  6. Step 6: Final answer
    x = 224,700.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.