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Finding the Fourth Proportional to 1,323,736.04, 1,984,948.06 and 470,679.72

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Solution

The fourth proportional to 1,323,736.04, 1,984,948.06 and 470,679.72 is: 705,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,736.04 : 1,984,948.06 = 470,679.72 : x
  2. Step 2: Convert to fraction form
    1,323,736.04/1,984,948.06 = 470,679.72/x
  3. Step 3: Cross multiply
    1,323,736.04x = 1,984,948.06 × 470,679.72
  4. Step 4: Simplify right side
    1,323,736.04x = 934,274,797,095.34
  5. Step 5: Solve for x
    x = 934,274,797,095.34/1,323,736.04
  6. Step 6: Final answer
    x = 705,786.33

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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.