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Finding the Fourth Proportional to 537,535.72, 805,357.73 and 505,534.45

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Solution

The fourth proportional to 537,535.72, 805,357.73 and 505,534.45 is: 757,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,535.72 : 805,357.73 = 505,534.45 : x
  2. Step 2: Convert to fraction form
    537,535.72/805,357.73 = 505,534.45/x
  3. Step 3: Cross multiply
    537,535.72x = 805,357.73 × 505,534.45
  4. Step 4: Simplify right side
    537,535.72x = 407,136,072,595.93
  5. Step 5: Solve for x
    x = 407,136,072,595.93/537,535.72
  6. Step 6: Final answer
    x = 757,412.12

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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.