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Finding the Fourth Proportional to 706,668.84, 975,228.84 and 404,921.16

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Solution

The fourth proportional to 706,668.84, 975,228.84 and 404,921.16 is: 558,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,668.84 : 975,228.84 = 404,921.16 : x
  2. Step 2: Convert to fraction form
    706,668.84/975,228.84 = 404,921.16/x
  3. Step 3: Cross multiply
    706,668.84x = 975,228.84 × 404,921.16
  4. Step 4: Simplify right side
    706,668.84x = 394,890,793,158.25
  5. Step 5: Solve for x
    x = 394,890,793,158.25/706,668.84
  6. Step 6: Final answer
    x = 558,806.01

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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.