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Finding the Fourth Proportional to 586,091.70, 879,051.15 and 165,410.10

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Solution

The fourth proportional to 586,091.70, 879,051.15 and 165,410.10 is: 248,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,091.70 : 879,051.15 = 165,410.10 : x
  2. Step 2: Convert to fraction form
    586,091.70/879,051.15 = 165,410.10/x
  3. Step 3: Cross multiply
    586,091.70x = 879,051.15 × 165,410.10
  4. Step 4: Simplify right side
    586,091.70x = 145,403,938,626.62
  5. Step 5: Solve for x
    x = 145,403,938,626.62/586,091.70
  6. Step 6: Final answer
    x = 248,090.77

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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.