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Finding the Fourth Proportional to 537,537.72, 805,360.72 and 505,536.45

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Solution

The fourth proportional to 537,537.72, 805,360.72 and 505,536.45 is: 757,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,537.72 : 805,360.72 = 505,536.45 : x
  2. Step 2: Convert to fraction form
    537,537.72/805,360.72 = 505,536.45/x
  3. Step 3: Cross multiply
    537,537.72x = 805,360.72 × 505,536.45
  4. Step 4: Simplify right side
    537,537.72x = 407,139,199,358.24
  5. Step 5: Solve for x
    x = 407,139,199,358.24/537,537.72
  6. Step 6: Final answer
    x = 757,415.12

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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.