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Finding the Fourth Proportional to 536,666.80, 805,000.20 and 333,713.20

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Solution

The fourth proportional to 536,666.80, 805,000.20 and 333,713.20 is: 500,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,666.80 : 805,000.20 = 333,713.20 : x
  2. Step 2: Convert to fraction form
    536,666.80/805,000.20 = 333,713.20/x
  3. Step 3: Cross multiply
    536,666.80x = 805,000.20 × 333,713.20
  4. Step 4: Simplify right side
    536,666.80x = 268,639,192,742.64
  5. Step 5: Solve for x
    x = 268,639,192,742.64/536,666.80
  6. Step 6: Final answer
    x = 500,569.80

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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.