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Finding the Fourth Proportional to 662,564.41, 993,012.82 and 358,946.84

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Solution

The fourth proportional to 662,564.41, 993,012.82 and 358,946.84 is: 537,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,564.41 : 993,012.82 = 358,946.84 : x
  2. Step 2: Convert to fraction form
    662,564.41/993,012.82 = 358,946.84/x
  3. Step 3: Cross multiply
    662,564.41x = 993,012.82 × 358,946.84
  4. Step 4: Simplify right side
    662,564.41x = 356,438,815,403.65
  5. Step 5: Solve for x
    x = 356,438,815,403.65/662,564.41
  6. Step 6: Final answer
    x = 537,968.55

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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.