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Finding the Fourth Proportional to 710,190.81, 980,113.37 and 404,267.33

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Solution

The fourth proportional to 710,190.81, 980,113.37 and 404,267.33 is: 557,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,190.81 : 980,113.37 = 404,267.33 : x
  2. Step 2: Convert to fraction form
    710,190.81/980,113.37 = 404,267.33/x
  3. Step 3: Cross multiply
    710,190.81x = 980,113.37 × 404,267.33
  4. Step 4: Simplify right side
    710,190.81x = 396,227,808,265.30
  5. Step 5: Solve for x
    x = 396,227,808,265.30/710,190.81
  6. Step 6: Final answer
    x = 557,917.40

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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.