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Finding the Fourth Proportional to 607,855.82, 910,968.66 and 473,082.60

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Solution

The fourth proportional to 607,855.82, 910,968.66 and 473,082.60 is: 708,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,855.82 : 910,968.66 = 473,082.60 : x
  2. Step 2: Convert to fraction form
    607,855.82/910,968.66 = 473,082.60/x
  3. Step 3: Cross multiply
    607,855.82x = 910,968.66 × 473,082.60
  4. Step 4: Simplify right side
    607,855.82x = 430,963,425,607.45
  5. Step 5: Solve for x
    x = 430,963,425,607.45/607,855.82
  6. Step 6: Final answer
    x = 708,989.56

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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.