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Finding the Fourth Proportional to 606,907.60, 910,070.36 and 286,793

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Solution

The fourth proportional to 606,907.60, 910,070.36 and 286,793 is: 430,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,907.60 : 910,070.36 = 286,793 : x
  2. Step 2: Convert to fraction form
    606,907.60/910,070.36 = 286,793/x
  3. Step 3: Cross multiply
    606,907.60x = 910,070.36 × 286,793
  4. Step 4: Simplify right side
    606,907.60x = 261,001,808,755.48
  5. Step 5: Solve for x
    x = 261,001,808,755.48/606,907.60
  6. Step 6: Final answer
    x = 430,051.97

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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.