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Finding the Fourth Proportional to 433,808.38, 598,649.70 and 242,821.72

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Solution

The fourth proportional to 433,808.38, 598,649.70 and 242,821.72 is: 335,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,808.38 : 598,649.70 = 242,821.72 : x
  2. Step 2: Convert to fraction form
    433,808.38/598,649.70 = 242,821.72/x
  3. Step 3: Cross multiply
    433,808.38x = 598,649.70 × 242,821.72
  4. Step 4: Simplify right side
    433,808.38x = 145,365,149,831.48
  5. Step 5: Solve for x
    x = 145,365,149,831.48/433,808.38
  6. Step 6: Final answer
    x = 335,090.69

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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.