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Finding the Fourth Proportional to 355,182.84, 532,971.09 and 144,804.51

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Solution

The fourth proportional to 355,182.84, 532,971.09 and 144,804.51 is: 217,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,182.84 : 532,971.09 = 144,804.51 : x
  2. Step 2: Convert to fraction form
    355,182.84/532,971.09 = 144,804.51/x
  3. Step 3: Cross multiply
    355,182.84x = 532,971.09 × 144,804.51
  4. Step 4: Simplify right side
    355,182.84x = 77,176,617,531.62
  5. Step 5: Solve for x
    x = 77,176,617,531.62/355,182.84
  6. Step 6: Final answer
    x = 217,287.01

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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.