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Finding the Fourth Proportional to 556,948.69, 768,568.60 and 302,294.41

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Solution

The fourth proportional to 556,948.69, 768,568.60 and 302,294.41 is: 417,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,948.69 : 768,568.60 = 302,294.41 : x
  2. Step 2: Convert to fraction form
    556,948.69/768,568.60 = 302,294.41/x
  3. Step 3: Cross multiply
    556,948.69x = 768,568.60 × 302,294.41
  4. Step 4: Simplify right side
    556,948.69x = 232,333,991,481.53
  5. Step 5: Solve for x
    x = 232,333,991,481.53/556,948.69
  6. Step 6: Final answer
    x = 417,155.11

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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.