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Finding the Fourth Proportional to 587,770.69, 880,918.12 and 317,888.07

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Solution

The fourth proportional to 587,770.69, 880,918.12 and 317,888.07 is: 476,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,770.69 : 880,918.12 = 317,888.07 : x
  2. Step 2: Convert to fraction form
    587,770.69/880,918.12 = 317,888.07/x
  3. Step 3: Cross multiply
    587,770.69x = 880,918.12 × 317,888.07
  4. Step 4: Simplify right side
    587,770.69x = 280,033,360,994.83
  5. Step 5: Solve for x
    x = 280,033,360,994.83/587,770.69
  6. Step 6: Final answer
    x = 476,433.01

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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.