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Finding the Fourth Proportional to 536,711.94, 740,650.02 and 291,690.93

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Solution

The fourth proportional to 536,711.94, 740,650.02 and 291,690.93 is: 402,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,711.94 : 740,650.02 = 291,690.93 : x
  2. Step 2: Convert to fraction form
    536,711.94/740,650.02 = 291,690.93/x
  3. Step 3: Cross multiply
    536,711.94x = 740,650.02 × 291,690.93
  4. Step 4: Simplify right side
    536,711.94x = 216,040,893,138.32
  5. Step 5: Solve for x
    x = 216,040,893,138.32/536,711.94
  6. Step 6: Final answer
    x = 402,526.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.