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Finding the Fourth Proportional to 673,199.28, 929,009.70 and 367,271.28

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Solution

The fourth proportional to 673,199.28, 929,009.70 and 367,271.28 is: 506,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,199.28 : 929,009.70 = 367,271.28 : x
  2. Step 2: Convert to fraction form
    673,199.28/929,009.70 = 367,271.28/x
  3. Step 3: Cross multiply
    673,199.28x = 929,009.70 × 367,271.28
  4. Step 4: Simplify right side
    673,199.28x = 341,198,581,651.42
  5. Step 5: Solve for x
    x = 341,198,581,651.42/673,199.28
  6. Step 6: Final answer
    x = 506,831.47

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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.