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Finding the Fourth Proportional to 607,115.04, 910,684.92 and 208,214.34

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Solution

The fourth proportional to 607,115.04, 910,684.92 and 208,214.34 is: 312,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,115.04 : 910,684.92 = 208,214.34 : x
  2. Step 2: Convert to fraction form
    607,115.04/910,684.92 = 208,214.34/x
  3. Step 3: Cross multiply
    607,115.04x = 910,684.92 × 208,214.34
  4. Step 4: Simplify right side
    607,115.04x = 189,617,659,565.75
  5. Step 5: Solve for x
    x = 189,617,659,565.75/607,115.04
  6. Step 6: Final answer
    x = 312,325.75

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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.