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Finding the Fourth Proportional to 545,080.29, 817,018.29 and 225,055.72

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Solution

The fourth proportional to 545,080.29, 817,018.29 and 225,055.72 is: 337,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,080.29 : 817,018.29 = 225,055.72 : x
  2. Step 2: Convert to fraction form
    545,080.29/817,018.29 = 225,055.72/x
  3. Step 3: Cross multiply
    545,080.29x = 817,018.29 × 225,055.72
  4. Step 4: Simplify right side
    545,080.29x = 183,874,639,509.12
  5. Step 5: Solve for x
    x = 183,874,639,509.12/545,080.29
  6. Step 6: Final answer
    x = 337,334.96

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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.