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Finding the Fourth Proportional to 577,205.40, 865,808.10 and 417,773.10

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Solution

The fourth proportional to 577,205.40, 865,808.10 and 417,773.10 is: 626,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,205.40 : 865,808.10 = 417,773.10 : x
  2. Step 2: Convert to fraction form
    577,205.40/865,808.10 = 417,773.10/x
  3. Step 3: Cross multiply
    577,205.40x = 865,808.10 × 417,773.10
  4. Step 4: Simplify right side
    577,205.40x = 361,711,333,942.11
  5. Step 5: Solve for x
    x = 361,711,333,942.11/577,205.40
  6. Step 6: Final answer
    x = 626,659.65

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Similar ratio
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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.