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Finding the Fourth Proportional to 537,900.80, 806,851.20 and 360,492.80

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Solution

The fourth proportional to 537,900.80, 806,851.20 and 360,492.80 is: 540,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,900.80 : 806,851.20 = 360,492.80 : x
  2. Step 2: Convert to fraction form
    537,900.80/806,851.20 = 360,492.80/x
  3. Step 3: Cross multiply
    537,900.80x = 806,851.20 × 360,492.80
  4. Step 4: Simplify right side
    537,900.80x = 290,864,048,271.36
  5. Step 5: Solve for x
    x = 290,864,048,271.36/537,900.80
  6. Step 6: Final answer
    x = 540,739.20

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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.