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Finding the Fourth Proportional to 536,807.65, 804,520.28 and 411,527.65

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Solution

The fourth proportional to 536,807.65, 804,520.28 and 411,527.65 is: 616,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,807.65 : 804,520.28 = 411,527.65 : x
  2. Step 2: Convert to fraction form
    536,807.65/804,520.28 = 411,527.65/x
  3. Step 3: Cross multiply
    536,807.65x = 804,520.28 × 411,527.65
  4. Step 4: Simplify right side
    536,807.65x = 331,082,338,148.10
  5. Step 5: Solve for x
    x = 331,082,338,148.10/536,807.65
  6. Step 6: Final answer
    x = 616,761.59

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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.