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Finding the Fourth Proportional to 514,154.43, 709,448.63 and 323,032.50

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Solution

The fourth proportional to 514,154.43, 709,448.63 and 323,032.50 is: 445,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,154.43 : 709,448.63 = 323,032.50 : x
  2. Step 2: Convert to fraction form
    514,154.43/709,448.63 = 323,032.50/x
  3. Step 3: Cross multiply
    514,154.43x = 709,448.63 × 323,032.50
  4. Step 4: Simplify right side
    514,154.43x = 229,174,962,955.31
  5. Step 5: Solve for x
    x = 229,174,962,955.31/514,154.43
  6. Step 6: Final answer
    x = 445,731.77

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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.