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Finding the Fourth Proportional to 361,886.80, 542,830.20 and 333,893.20

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Solution

The fourth proportional to 361,886.80, 542,830.20 and 333,893.20 is: 500,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,886.80 : 542,830.20 = 333,893.20 : x
  2. Step 2: Convert to fraction form
    361,886.80/542,830.20 = 333,893.20/x
  3. Step 3: Cross multiply
    361,886.80x = 542,830.20 × 333,893.20
  4. Step 4: Simplify right side
    361,886.80x = 181,247,312,534.64
  5. Step 5: Solve for x
    x = 181,247,312,534.64/361,886.80
  6. Step 6: Final answer
    x = 500,839.80

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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.