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Finding the Fourth Proportional to 533,332.80, 799,999.20 and 333,878.40

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Solution

The fourth proportional to 533,332.80, 799,999.20 and 333,878.40 is: 500,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,332.80 : 799,999.20 = 333,878.40 : x
  2. Step 2: Convert to fraction form
    533,332.80/799,999.20 = 333,878.40/x
  3. Step 3: Cross multiply
    533,332.80x = 799,999.20 × 333,878.40
  4. Step 4: Simplify right side
    533,332.80x = 267,102,452,897.28
  5. Step 5: Solve for x
    x = 267,102,452,897.28/533,332.80
  6. Step 6: Final answer
    x = 500,817.60

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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.