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Finding the Fourth Proportional to 1,147,658.19, 1,721,583.66 and 348,946.67

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Solution

The fourth proportional to 1,147,658.19, 1,721,583.66 and 348,946.67 is: 523,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,658.19 : 1,721,583.66 = 348,946.67 : x
  2. Step 2: Convert to fraction form
    1,147,658.19/1,721,583.66 = 348,946.67/x
  3. Step 3: Cross multiply
    1,147,658.19x = 1,721,583.66 × 348,946.67
  4. Step 4: Simplify right side
    1,147,658.19x = 600,740,876,675.49
  5. Step 5: Solve for x
    x = 600,740,876,675.49/1,147,658.19
  6. Step 6: Final answer
    x = 523,449.30

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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.