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Finding the Fourth Proportional to 607,284.40, 910,316.98 and 207,651.88

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Solution

The fourth proportional to 607,284.40, 910,316.98 and 207,651.88 is: 311,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,284.40 : 910,316.98 = 207,651.88 : x
  2. Step 2: Convert to fraction form
    607,284.40/910,316.98 = 207,651.88/x
  3. Step 3: Cross multiply
    607,284.40x = 910,316.98 × 207,651.88
  4. Step 4: Simplify right side
    607,284.40x = 189,029,032,292.92
  5. Step 5: Solve for x
    x = 189,029,032,292.92/607,284.40
  6. Step 6: Final answer
    x = 311,269.37

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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.