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Finding the Fourth Proportional to 671,197.59, 926,595.45 and 517,891.32

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Solution

The fourth proportional to 671,197.59, 926,595.45 and 517,891.32 is: 714,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,197.59 : 926,595.45 = 517,891.32 : x
  2. Step 2: Convert to fraction form
    671,197.59/926,595.45 = 517,891.32/x
  3. Step 3: Cross multiply
    671,197.59x = 926,595.45 × 517,891.32
  4. Step 4: Simplify right side
    671,197.59x = 479,875,740,706.49
  5. Step 5: Solve for x
    x = 479,875,740,706.49/671,197.59
  6. Step 6: Final answer
    x = 714,954.50

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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.