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Finding the Fourth Proportional to 537,536.04, 805,358.21 and 505,534.77

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Solution

The fourth proportional to 537,536.04, 805,358.21 and 505,534.77 is: 757,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,536.04 : 805,358.21 = 505,534.77 : x
  2. Step 2: Convert to fraction form
    537,536.04/805,358.21 = 505,534.77/x
  3. Step 3: Cross multiply
    537,536.04x = 805,358.21 × 505,534.77
  4. Step 4: Simplify right side
    537,536.04x = 407,136,571,912.20
  5. Step 5: Solve for x
    x = 407,136,571,912.20/537,536.04
  6. Step 6: Final answer
    x = 757,412.60

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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.