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Finding the Fourth Proportional to 578,953.49, 798,946.49 and 324,303.89

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Solution

The fourth proportional to 578,953.49, 798,946.49 and 324,303.89 is: 447,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,953.49 : 798,946.49 = 324,303.89 : x
  2. Step 2: Convert to fraction form
    578,953.49/798,946.49 = 324,303.89/x
  3. Step 3: Cross multiply
    578,953.49x = 798,946.49 × 324,303.89
  4. Step 4: Simplify right side
    578,953.49x = 259,101,452,987.33
  5. Step 5: Solve for x
    x = 259,101,452,987.33/578,953.49
  6. Step 6: Final answer
    x = 447,534.14

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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.