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Finding the Fourth Proportional to 514,812.33, 772,223.05 and 211,373.37

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Solution

The fourth proportional to 514,812.33, 772,223.05 and 211,373.37 is: 317,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,812.33 : 772,223.05 = 211,373.37 : x
  2. Step 2: Convert to fraction form
    514,812.33/772,223.05 = 211,373.37/x
  3. Step 3: Cross multiply
    514,812.33x = 772,223.05 × 211,373.37
  4. Step 4: Simplify right side
    514,812.33x = 163,227,388,734.40
  5. Step 5: Solve for x
    x = 163,227,388,734.40/514,812.33
  6. Step 6: Final answer
    x = 317,061.93

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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.