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Finding the Fourth Proportional to 546,809.01, 754,598.48 and 305,101.77

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Solution

The fourth proportional to 546,809.01, 754,598.48 and 305,101.77 is: 421,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,809.01 : 754,598.48 = 305,101.77 : x
  2. Step 2: Convert to fraction form
    546,809.01/754,598.48 = 305,101.77/x
  3. Step 3: Cross multiply
    546,809.01x = 754,598.48 × 305,101.77
  4. Step 4: Simplify right side
    546,809.01x = 230,229,330,361.80
  5. Step 5: Solve for x
    x = 230,229,330,361.80/546,809.01
  6. Step 6: Final answer
    x = 421,041.58

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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.