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Finding the Fourth Proportional to 607,280.34, 910,310.88 and 207,647.81

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Solution

The fourth proportional to 607,280.34, 910,310.88 and 207,647.81 is: 311,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,280.34 : 910,310.88 = 207,647.81 : x
  2. Step 2: Convert to fraction form
    607,280.34/910,310.88 = 207,647.81/x
  3. Step 3: Cross multiply
    607,280.34x = 910,310.88 × 207,647.81
  4. Step 4: Simplify right side
    607,280.34x = 189,024,056,878.30
  5. Step 5: Solve for x
    x = 189,024,056,878.30/607,280.34
  6. Step 6: Final answer
    x = 311,263.26

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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.