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Finding the Fourth Proportional to 595,871.20, 893,806.80 and 406,914.40

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Solution

The fourth proportional to 595,871.20, 893,806.80 and 406,914.40 is: 610,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,871.20 : 893,806.80 = 406,914.40 : x
  2. Step 2: Convert to fraction form
    595,871.20/893,806.80 = 406,914.40/x
  3. Step 3: Cross multiply
    595,871.20x = 893,806.80 × 406,914.40
  4. Step 4: Simplify right side
    595,871.20x = 363,702,857,737.92
  5. Step 5: Solve for x
    x = 363,702,857,737.92/595,871.20
  6. Step 6: Final answer
    x = 610,371.60

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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.