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Finding the Fourth Proportional to 621,729.60, 933,976.80 and 598,228.80

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Solution

The fourth proportional to 621,729.60, 933,976.80 and 598,228.80 is: 898,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,729.60 : 933,976.80 = 598,228.80 : x
  2. Step 2: Convert to fraction form
    621,729.60/933,976.80 = 598,228.80/x
  3. Step 3: Cross multiply
    621,729.60x = 933,976.80 × 598,228.80
  4. Step 4: Simplify right side
    621,729.60x = 558,731,820,291.84
  5. Step 5: Solve for x
    x = 558,731,820,291.84/621,729.60
  6. Step 6: Final answer
    x = 898,673.35

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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.