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Finding the Fourth Proportional to 710,747.22, 980,829.54 and 404,823.54

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Solution

The fourth proportional to 710,747.22, 980,829.54 and 404,823.54 is: 558,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,747.22 : 980,829.54 = 404,823.54 : x
  2. Step 2: Convert to fraction form
    710,747.22/980,829.54 = 404,823.54/x
  3. Step 3: Cross multiply
    710,747.22x = 980,829.54 × 404,823.54
  4. Step 4: Simplify right side
    710,747.22x = 397,062,886,519.37
  5. Step 5: Solve for x
    x = 397,062,886,519.37/710,747.22
  6. Step 6: Final answer
    x = 558,655.56

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1.5x scale

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.