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Finding the Fourth Proportional to 558,703.30, 771,026.70 and 304,070.62

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Solution

The fourth proportional to 558,703.30, 771,026.70 and 304,070.62 is: 419,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,703.30 : 771,026.70 = 304,070.62 : x
  2. Step 2: Convert to fraction form
    558,703.30/771,026.70 = 304,070.62/x
  3. Step 3: Cross multiply
    558,703.30x = 771,026.70 × 304,070.62
  4. Step 4: Simplify right side
    558,703.30x = 234,446,566,705.55
  5. Step 5: Solve for x
    x = 234,446,566,705.55/558,703.30
  6. Step 6: Final answer
    x = 419,626.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.