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Finding the Fourth Proportional to 540,047.33, 744,707.15 and 463,818.84

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Solution

The fourth proportional to 540,047.33, 744,707.15 and 463,818.84 is: 639,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,047.33 : 744,707.15 = 463,818.84 : x
  2. Step 2: Convert to fraction form
    540,047.33/744,707.15 = 463,818.84/x
  3. Step 3: Cross multiply
    540,047.33x = 744,707.15 × 463,818.84
  4. Step 4: Simplify right side
    540,047.33x = 345,409,203,080.28
  5. Step 5: Solve for x
    x = 345,409,203,080.28/540,047.33
  6. Step 6: Final answer
    x = 639,590.61

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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.