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Finding the Fourth Proportional to 476,323.97, 657,328.02 and 282,770.51

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Solution

The fourth proportional to 476,323.97, 657,328.02 and 282,770.51 is: 390,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,323.97 : 657,328.02 = 282,770.51 : x
  2. Step 2: Convert to fraction form
    476,323.97/657,328.02 = 282,770.51/x
  3. Step 3: Cross multiply
    476,323.97x = 657,328.02 × 282,770.51
  4. Step 4: Simplify right side
    476,323.97x = 185,872,979,452.69
  5. Step 5: Solve for x
    x = 185,872,979,452.69/476,323.97
  6. Step 6: Final answer
    x = 390,223.86

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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.