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Finding the Fourth Proportional to 671,331.16, 926,437.26 and 369,523

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Solution

The fourth proportional to 671,331.16, 926,437.26 and 369,523 is: 509,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,331.16 : 926,437.26 = 369,523 : x
  2. Step 2: Convert to fraction form
    671,331.16/926,437.26 = 369,523/x
  3. Step 3: Cross multiply
    671,331.16x = 926,437.26 × 369,523
  4. Step 4: Simplify right side
    671,331.16x = 342,339,875,626.98
  5. Step 5: Solve for x
    x = 342,339,875,626.98/671,331.16
  6. Step 6: Final answer
    x = 509,941.88

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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.