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Finding the Fourth Proportional to 534,448.80, 801,673.20 and 486,237.60

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Solution

The fourth proportional to 534,448.80, 801,673.20 and 486,237.60 is: 729,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,448.80 : 801,673.20 = 486,237.60 : x
  2. Step 2: Convert to fraction form
    534,448.80/801,673.20 = 486,237.60/x
  3. Step 3: Cross multiply
    534,448.80x = 801,673.20 × 486,237.60
  4. Step 4: Simplify right side
    534,448.80x = 389,803,652,752.32
  5. Step 5: Solve for x
    x = 389,803,652,752.32/534,448.80
  6. Step 6: Final answer
    x = 729,356.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.