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Finding the Fourth Proportional to 537,502.03, 805,366.85 and 312,230.09

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Solution

The fourth proportional to 537,502.03, 805,366.85 and 312,230.09 is: 467,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,502.03 : 805,366.85 = 312,230.09 : x
  2. Step 2: Convert to fraction form
    537,502.03/805,366.85 = 312,230.09/x
  3. Step 3: Cross multiply
    537,502.03x = 805,366.85 × 312,230.09
  4. Step 4: Simplify right side
    537,502.03x = 251,459,766,267.08
  5. Step 5: Solve for x
    x = 251,459,766,267.08/537,502.03
  6. Step 6: Final answer
    x = 467,830.36

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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.