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Finding the Fourth Proportional to 533,347.98, 735,959.94 and 315,563.33

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Solution

The fourth proportional to 533,347.98, 735,959.94 and 315,563.33 is: 435,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,347.98 : 735,959.94 = 315,563.33 : x
  2. Step 2: Convert to fraction form
    533,347.98/735,959.94 = 315,563.33/x
  3. Step 3: Cross multiply
    533,347.98x = 735,959.94 × 315,563.33
  4. Step 4: Simplify right side
    533,347.98x = 232,241,970,069.54
  5. Step 5: Solve for x
    x = 232,241,970,069.54/533,347.98
  6. Step 6: Final answer
    x = 435,441.74

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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.